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Wholesale Pivot Doors | Warp-free 4×8 Pivot Door Blanks

Wholesale pivot doors from Sing Core. Warp-free 4×8 pivot door blanks available to pivot door manufacturers only.

Wholesale pivot doors Warp-free 4x8 pivot door blanks

Wholesale pivot doors Warp-free 4×8 pivot door blanks

Our standard 4’ x 8’ pivot door blank is our only standard pivot door blank available to pivot door manufacturers and therefore is comes at an affordable 4 x 8 ft. lightweight high strength pivot door price.

By using our warp-free 4×8 pivot door blank, you can now have an affordable way to build a 4×8 pivot door that is guaranteed to make your pivot door end users very pleased with an impressive 4 x 8 pivot door which can be used as an exterior pivot door, with the most impressive characteristics.

4×8 Pivot Door Blank Untrimmed

The standard 4×8 pivot door blank is untrimmed (glue will be visible at seams) and ready for your in house door manufacturers to skin and finish to your client’s specifications.

Untrimmed:

Pivot Door Dimensions: 4 ft. x 8 ft. x 3 inches thick

4×8 Pivot Door Blank Trimmed

The standard 4×8 pivot door blank can be trimmed (no glue visible at seams) and ready for your in house door manufacturers to skin and finish to your client’s specifications.

Trimmed:

Pivot Door Dimensions: 47.5 in. x 95.5 in. x 3 in. thick

Blank Pivot Panel 4×8 Specifications

• 3 inch top and bottom rails
• 1.25 inch edge stiles
• Weight = 122 lbs.
• Made in Pacific Northwest of USA (locally grown and mfg)
• Top quality A veneer on both sides of the panel
• 1/2 inch AC plywood skins

Sing 4×8 Pivot Door Blank Features

Far exceeding AWI standards for flatness, remaining straight and true with less than 1/16 inch warp at 8 ft. span = true flat.

Solid core material consists of patented Sing Core, small grid natural fiber vertical grain reinforced torsion box hybrid.

Very lightweight, a fraction of other natural wood fiber core materials.

Highest strength. See Sing 4×8 pivot door blank under 1000 lbs. center load with very little deflection.

Fully insulated wall-to-wall for climate control and sound deadening qualities.

Top quality A veneer ready for adding your laminate, surface material, and/or finishing.

Even under 1,000 lb. load, very little deflection.

Warp-free Pivot Door Upgrade

Sing warp-free pivot door blanks are manufactured with additional patent-pending warp-free stiffener technology built into the door’s Sing Core material. This enables the resulting pivot door to be guaranteed not to warp for 50 years.*

Discount 4×8 Wholesale Pivot Doors Pricing

Available to pivot door manufacturers only, the standard Sing 4×8 pivot door blanks are only available in quantities of 10 or more pivot doors. Less than 10 pivot doors will not qualify for wholesale discount pricing for pivot doors.

Final pivot door prices will include crate and shipping charges, available by submitting your wholesale price quote request.

* = Pivot doors are guaranteed by Sing Core on a door-by-door basis in cooperation with the pivot door company providing the pivot door(s) to the end user. Qualifying pivot doors will be manufactured and finished to strict conditions to preserve the integrity of the door over time. Only warp-free pivot doors accompanied with the written Sing Core Warp-free guarantee are covered.

Minimum order for pivot door manufacturers = 10 standard 4×8 pivot doors for special wholesale prices.

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Pivot Door Systems

Sing Core helps to support your favorite millwork or pivot door company to create the best pivot door systems available in the world today. Your large architectural pivot door is likely one of the most striking and important features leaving a lasting impression on visitors.

The only 50 year warp-free guarantee and full structure warranty

As we all know, as impressive as it is, your pivot door is going to present challenges if it is a pivot hinge door over 7 ft. tall. There are factors facing architects and designers who desire to incorporate such a feature into a breathtaking structure.

Here are some of the challenges facing designers of your architectural pivot door:

Problem: Large Pivot Doors

The bigger the pivot door, the more challenges face designers, builders, and installers of large pivot doors. The size of your pivot door creates a challenge in the mere handling of the door. If your architectural pivot door is significantly large (of course, the larger it is, the more impressive it is) the size of it makes it difficult to transport between various stages of the pivot door build, from base manufacture, to millwork, to job site and installation. Each of these phases requires handling of the door, which can take many people and may include the use of heavy equipment for maneuvering the large pivot door.

Solution: Large Pivot Doors

Sing Core teams up with only the best millworks, custom door manufacturers and pivot door companies to provide the best Eco-friendly warp-free pivot door systems in the world, and each custom pivot door is proudly made in the USA. Even if your pivot door system requires a very large pivoting door, such as 40 ft. tall, Sing Core has the solution for any pivot door sizes.

Problem: Heavy Pivot Doors

Big pivot doors means you’re dealing with a big pivot door slab of material which is extremely heavy in weight. These heavy pivot doors are tough to handle by hand, requiring heavy equipment to move them around through the various stages of creation and throughout the installation process.

Solution: Lightweight Pivot Doors

Pivot Doors with Sing Core inside weigh a fraction the weight of other solid core pivoting doors. Significantly lighter weight pivot doors, even metal pivot doors, translates to huge cost savings in terms of manufacturing, transportation and long term maintenance costs over time. The warp-free nature of guaranteed professional Sing pivot doors greatly reduces pivot door maintenance costs, making your pivot doors systems more cost-efficient and sustainable.

Problem: Heavy Duty Pivot Door Hardware

Also note the weight of the large pivot door determines the pivot door hardware that will be utilized in the pivot door systems. Heavy pivot door means heavy duty pivot door hardware. The heavier the door, the more expensive the heavy duty pivot door hardware, which can come with an enormous price tag that can exceed the cost of the pivot door itself. In heavy pivot door systems, the hardware can easily be the most expensive portion of the entire system.

Solution: Eliminate Heavy Duty Pivot Door Hardware

Since the weight of your large pivot door determines the gauge of the pivot door hardware incorporated in pivot doors systems, reducing the weight significantly results in being able to utilize low cost hardware, greatly reducing the overall cost of the pivot door system, thanks to having Sing Core inside your pivot door(s).

Problem: Heavy Pivot Door Maintenance

Large pivot doors do impose heavy maintenance costs over time if they are used very much, due to stress of the heavy pivot door on the hardware, structure and further compromising the pivot door seal because of the pivot door material’s tendency to move. This translates to regular maintenance being required to maintain, repair or replace the supporting structure, frame, hardware and pivot door as necessary to achieve adequate performance expectations.

Solution: Little or No Pivot Door Maintenance

By having your custom pivot doors built with Sing Core inside, you can have nearly maintenance-free enjoyment of your exterior pivot door for 50 years. Of course, you will still need normal routine maintenance of the door’s finish, but you can rest assured that you can avoid having the service life of your pivot door interrupted by experiencing undue stress to hardware, structure or suffering the disappointment of a warping pivot door.

Problem: Warping Pivot Doors

Exterior pivot doors are more problematic than interior doors for their tendency to warp by having to separate two different spaces which could (and more often than not do) have quite different environments on either side of the door. This is the main cause of warping pivot doors, which can compromise the seal of the exterior pivot door and add stress to the existing structure and hardware.

Solution: Warp-free Pivot Doors

Sing Core provides the only known solution for warp-free pivot doors of any size. The warp-free true flat engineers and technicians at Sing Core help to design and build your custom door in concert with architectural specification to produce a professional large pivot door which can be guaranteed to offer non-warping performance for 50 years. No other Eco-friendly, lightweight, high strength door can have such a guarantee, unless it has patented Sing Core inside.

Problem: Replacement Pivot Doors

Replacement pivot doors, either at the outset (in the design phase) or as the pivot door begin to fail, is the unfortunate story that faces many exterior pivot door owners and/or users and purveyors of various pivot doors systems. Some care is taken in the replacement of pivot doors to find a pivot door solution which is less likely to fail, or provide some degree of reduction in ongoing pivot door maintenance.

Solution: Replacement Pivot Doors

The answer is not found in any millwork, pivot door company, or pivot door hardware company. The answer to the problems and challenges is found inside the door. Doors made with “Sing Core inside,” are lightweight, high strength, high precision, and can be guaranteed to warp, bend, twist or otherwise fail for 50 years.

Pivot door systems featuring pivot entry doors with Sing Core inside are the number one replacement pivot doors, especially in large pivot front door applications.

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Pivot Hinge Door

Sing Core has been supplying the only warp-free pivot door substrates that allows the best pivot door companies to offer their high end clients an exterior pivot front door of any size that can be included in their standard warranty work (most high end millworks offer a warranty on their work for one year or more, with the exception of large pivot doors over 7 ft. tall which tend to fail at the first sing of climate change) because if your pivot hinge door has patented “Sing Core inside,” it is covered by our 50 year warp-free guarantee. This enables the millwork, pivot door company, custom pivot door manufacturer and their clients, all to breathe easier, without having to worry about large pivot door pivot hinge challenges.

The only 50 year warp-free guarantee and full structure warranty

Due to the characteristics of the Sing Core inside the best pivot doors, your pivot door can feature a pivot hinge of any type or style which may be problematic when attempting to accommodate a large pivot door without Sing Core inside. Attributes of pivot hinge doors with Sing Core inside include lightweight (a fraction the weight of other solid core pivot doors), high strength (660 PSI, stronger than steel pound for pound), high precision (+/- .006 in. tolerance), high performance (long life without fail) and Eco-friendly (made in the USA with formaldehyde free adhesives, very little energy consumption or waste, with the sustainable use of natural resources).

Large pivot doors made with the absence of Sing Core are likely to fail. This is why they are normally noted on the contract and excluded from the other items on the job covered by the contractor’s warranty.

The lighter weight of the pivot door opens more opportunities for creatively applying various pivot door hinges which make the resulting pivot door even more impressive or adding a commercial door pivot hinge. The offset pivot hinge is gaining popularity among pivot door manufacturers and by utilizing Sing Core inside your pivot door, you can save substantially due to the lighter weight of your pivot door as pivot door hinges are determined by the weight of your pivoting door. Heavy pivot doors require a heavy duty pivot hinge, while your Sing pivot door can use a lighter weight pivot hinge.

Heavy duty pivot hinges are expensive and can be many times the cost of your pivot front door. That’s another reason why building your pivot hinge door with Sing Core makes so much more sense. Pivot door hardware companies, such as rixson pivot door hardware are available in many styles including top hung, offset pivot door sets as well as the more conventional center hung pivot hinge.

Pivot entry doors can come in a wide variety of types and styles and can be made to outperform any other type of pivoting door including aluminium pivot doors, any available type of natural wooden pivot doors or even a stainless steel pivot door. Your pivot hinge door could be made from any available flat building material, including woods or metals.

If you’re tired of dealing with the constant maintenance issues with dealing with large pivot hinge doors over time, then maybe starting off at the right place would be your most advantageous move by specifying your door has, “Sing Core inside.” If it’s too late, and you’re already struggling with problematic pivot hinge doors, no problem. Sing Core pivot doors are the most in demand replacement doors in the United States and increasingly throughout the world, as Sing Core products are routinely exported worldwide.

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Pivot Doors Straight Talk

Years in the making, finally Sing Core has come out with the ultimate solution for Eco-friendly pivot doors made of any material and any size weighing a fraction of other door cores. This revolutionary patented solution has made Sing Core the number one resource for large pivot doors that are lightweight, high strength and can be guaranteed to remain warp-free for 50 years, as well as full structure warranty. No other large pivot door solution can match the power of Sing Core. Here’s the latest straight talk about pivot doors:

Pivot Doors Straight Talk

The only 50 year warp-free guarantee and full structure warranty

As the demand for large pivot doors is on the increase, the bigger they are, the more impressive they are, also, the more apt they are to fail due to door warp. Let’s face it, a door that is not straight and true is of little use as a door at all.

It is imperative for large pivot doors to remain straight and true, and the design team at Sing Core has created a full battery of patented and patent pending solutions to keep any large pivot door, made of any material perfectly straight, far exceeding AWI standards for flatness. The true flat experts at Sing Core have the knowledge and ability to create large pivot doors will not warp, eliminating the biggest complaint about pivot doors.

So, if you want a straight pivot door, the only way to get one made and guaranteed to remain warp-free for 50 years is to do what most contemporary architects, designers and engineers do, and that’s to specify that you want your doors to have, “Sing Core inside.”

Pivot Door Problems

Large pivot doors with Sing Core inside also solve other problems facing architects and designers, including, but not limited to…

Heavy Pivot Doors

Large pivot doors are big and heavy in weight. The large size and the heavy weight is problematic for a number of reasons. First of all, you must find a custom door manufacturer or millwork to take on such a project in the first place. Anything that is large is going to be difficult to create and manipulate through the building process just to create the mammoth door in the first place. Then you have to be able to move the door from the factory to the truck, using a combination of manpower and heavy equipment. Then transport the large pivot door from the factory to the job site. Once at the site, more manpower and heavy equipment is required to unload and move the door to where it will be installed. Installers now have to deal with the door, moving and fine tuning it to fit the space and attach the appropriate heavy duty pivot door hardware which can cost many times the price of the pivot door.

Heavy Duty Pivot Door Hardware

Expensive heavy duty pivot door hardware is required as the hardware is determined by the weight of the door. Even though this hardware is designed to handle a heavy weight pivot door, the straight talk is, if the door is used regularly, the hardware will start to breakdown and fail over time.

Large Pivot Door Maintenance

Which brings us to maintenance on the large pivot doors; yes, your large pivot door is impressive and leaves a great first impression but the more consistent lasting impression is left upon the pivot door’s owner who must bear the cost of constant repair and maintenance over the life of the otherwise magnificent large pivot door. As huge pivot doors are used, they cause stress and strain, not only on the hardware, but also the structure, creating the need for maintenance and repair on the pivot door for warp, the hardware as it deteriorates, and the structure for stress and strain.

Large Pivot Door Insulation

In most large pivot doors, little thought is given to the insulation value of the door. While large pivot doors are commonly thicker than their hinged cousins, the large pivot doors may not provide for energy efficient handling of thermal separation or elimination of sound penetration.

Large Pivot Door Danger

If you have a large pivot door, operating it may be problematic, especially when delicate little fingers are around when the pivot door is opened and closed. Large pivot doors are so heavy that there is the danger of injury to anyone, not just children, when the doors are in motion.

Pivot Door Solutions

Thanks you Sing Core, you can save money and have a better large pivot door experience over time, as the Sing solution is applied. Here are some of the solutions you can expect by specifying that your pivot door has, “Sing Core inside.”

Lightweight Pivot Doors

If your pivot door is built with Sing Core inside, it can weigh a fraction of the weight of any other solid core pivot door. The energy savings in just the creation and transport of your Sing pivot door help to make it more ecologically responsible, using less energy to create, ship and handle. But there’s more…

Lightweight Pivot Door Hardware

Because the type of pivot door hardware is based on the pivot door’s weight, a lighter weight door requires a pivot hinge which is matched. Real cost savings can be realized by being able to use the less expensive pivot door hardware, bring the cost of the hardware way down.

High Strength Pivot Doors

Your Sing pivot door is very strong as it was university-tested and rated at 660 PSI in strength, making it stronger than steel pound for pound. This superior strength is due to the patented insulated reinforced vertical grain torsion box core. Without Sing Core inside , you are limited to the ability of the material used to maintain the pivot door integrity over time.

Sing Pivot Door Maintenance

When your pivot doors have sing Core inside they are also nearly free of regular maintenance. If you have a professional Sing pivot door that does not warp, then you possess a large pivot door which can be guaranteed not to warp, bend, twist, cup, or otherwise fail for 50 years. Plus, if the door is damaged for any reason, it can be quickly and easily repaired on site (often without have to dismantle or remove the door) without compromising the pivot door’s strength or integrity. In addition, the lightweight of your Sing pivot door, means much less stress and strain on the hardware.

Sing Pivot Door Installation

Being so lightweight reduces costs and time by being so lightweight. Due to the bulky size several people will need to manipulate the door, but no heavy equipment will be needed because the crew can easily maneuver the large pivot door without much trouble. In fact, we commonly hear back from the installers about how they couldn’t believe how light and easy to work with large pivot doors with Sing Core inside are.

Insulated Pivot Door

Sing Core pre-packs your large pivot door with insulation wall to wall inside the torsion box structure imbuing your large pivot with increased ability for climate control and also sound deadening capabilities that are hard to find in other large pivot doors. If you’re thinking about separation between room, or particularly a pivot front door, the added insulation factor is of huge benefit and included in every Sing pivot door blank at no extra charge. Insulation upgrades are available per your specification.

Sing Pivot Door Safety and Security

Due to the increased insulation and high strength of your pivot door that has Sing Core inside, you can enjoy a greater sense of safety and security. The high strength will prevent breaching the door from unwanted guests. These are often used as impact doors. If you kick other lightweight pivot doors, they could easily fail and offer egress to an otherwise secure environment, but if you kick a Sing pivot door you will not break the door. You are more likely to break your leg and the sound deadening characteristics inhibits eavesdropping.

In the event a child, or anyone, gets their hand or fingers caught in a Sing large pivot door in motion, the likelihood of surviving such an event is much more likely as less damage will occur thanks to the Sing solution being so much lighter in weight than other large pivot doors.

Shouldn’t your pivot doors have Sing Core inside?

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Best Pivot Doors

How to Find the Best Pivot Doors

Whether you’re a home owner, project manager, architect, millwork or door company, you might like to find out how to get the best pivot door, especially if you’re going to spend $10,000 or more on your pivot door.

The only 50 year warp-free guarantee and full structure warranty

Best of the Best Pivot Doors

The best pivot door manufacturers, who provide the best pivot doors with the best pivot door warranties are able to provide their clients with the best pivot doors that can be guaranteed not to warp, bend, twist or otherwise fail for 50 years, if the pivot doors have patented Sing Core inside.
Door manufacturers can provide you with the best pivot doors, and this might be true, if their high end doors have Sing Core inside (and you can have your pivot door protected by our 50 year guarantee).

Check the Pivot Door Guarantee

High quality high end doors will come with a guarantee to ensure the customer’s satisfaction. Most large pivot doors do not come with a guarantee because they are problematic and have a high potential for warping, especially if the pivot door is an exterior pivot door.

You might be like to know what features to look for in the best pivot door, so that you can adequately determine what the best pivot door looks like and you can then review potential pivot door and made a decision based on your own due diligence.

In case you didn’t already know, it’s important to know how and why pivot doors fail.

Is your Pivot Door Likely to Fail?

Most pivot doors will fail doe to either the pivot door warping, or delaminating (structure). A composite pivot door (anything other than a heavy solid slab of flat material) will fail due to stress or environmental conditions. Any undue stress or strain on your pivot door, i.e. regular use straining both the hardware and the supporting structure (causing increased maintenance over time) or exposure due to unforeseen circumstances (like accident or abuse) may cause the door to fail or delaminate in response to impact.

What to look for in the best pivot door: Lightweight and structure warranty

Large Pivot Doors Are Prone to Failure

The Architectural Woodwork Institute issues and maintains minim requirements for warping doors which allows for up to ¼ inch of deflection or door warp over a 7 ft. span. Knowing that all doors warp, is helpful when reviewing your expectations in regards to pivot door warping. A warped door seven feet tall is likely to warp up to ¼ of an inch regularly, which is allowable in door warranties.

What to look for in the best pivot door: Oversized, large pivot door warranty

Exterior Pivot Doors Are Prone to Failure

Exterior pivot doors have a higher risk of failure due to door warp because one side (the inside) of the pivot door faces a temperature controlled interior space while the other side is exposed to the elements which cases the pivot door to move (warp, bend, twist, cup) resulting in pivot door failure. If a pivot door cannot freely swing or seal due to being warped, the may not be able to latch or operate as a door due to air leaks around the pivot door.

What to look for in the best pivot door: Exterior pivot door warranty

Why Pivot Doors Fail: 1. Door Warp, 2. Heavy Weight, 3. Structure Failure, 4: Size.

The characteristics you want to look for in the best pivot door include:

1. Warp-free, 2: Lightweight, 3: Structure Guarantee, 4: Available in any size, 5: Long life guarantee

So, if you know what you want in a pivot door, why not Google what you want and see what you get?

Google text: pivot door warp free lightweight structure guarantee long life Also see: Google Image Search
Google can be very helpful in helping you find the quality of pivot doors you are looking for.

We Do Not Have Pivot Doors for Sale

We do not have pivot doors for sale, because we do not make pivot doors. Our pivot door blanks are used by door manufacturers and millworks to build the best pivot doors. Our patented Sing Core is the only high precision pivot door blank material that can be guaranteed not warp or fail for 50 years.
You can have the best pivot door with the best 50 year pivot door guarantee just by contacting your favorite millwork, custom door manufacturer or door company and tell them what pivot door you want and ask for, “Sing Core inside.”

That’s what we do. We work with the best pivot door manufacturers to make the best pivot doors that have the best pivot door guarantee for 50 years, because your pivot doors have premium Sing Core inside.

That’s why the best contemporary architecture design specifies, “Sing Core inside,” in the most important high end projects, especially when there are large pivot doors requiring high performance expectations over time.

How to determine if Your Pivot Door is the Best of the Best?

1. Warp-free

See the minimum warp allowances for pivot doors below. Pivot doors made of patented Sing Core far exceed the warp resistance allowed by AWI standards. In fact, one of the largest high end door manufacturer comments, “We have not had a single door fail since we started using Sing Core door blanks.”
All the latest multi-million dollar homes are using large pivot doors in their contemporary architecture design. Please inquire with your favorite trade professional as to which pivot doors can be guaranteed to remain warp-free for more than one year. Patented premium Sing Core doors can be guaranteed to remain warp-free for 50 years.

2. Strength

Patented Sing Core is strong enough to withstand the impact of a sledge hammer without causing structural damage. See the unbreakable mirror test, which demonstrates a mirror backed by Sing Core which does not break under the direct impact of a 16 oz. hammer. Your high strength door with Sing Core inside will survive years of use and impact without distortion or structure failure. Patented premium Sing Core is fully structure guaranteed for 50 years.

3. Lightweight

Some of the largest pivot doors could weigh a ton in an attempt to obtain strength and warp resistance but not doors with Sing Core inside. Patented Sing Core weighs approximately 10% of solid wood, timber or plywood core. Products made with Sing Core are stronger than steel pound for pound. Lightweight pivot doors are safer for kids to operate, plus it costs less for hardware, transportation, handling and installation and will not sag after years of use.

4. Eco-friendly

The torsion box structure of patented Sing Core is responsibly and sustainably made using renewable vertical grain natural wood fiber which comes from nature, unlike other less strong core materials made of paper, aluminum or solid wood-based cores.

5. Insulation

Patented Sing Core is packed with insulation which imbues the pivot door with qualities such as climate control and sound deadening characteristics, which is even used in bullet proof and impact doors. High R value and STC rated insulation material is also a key component in the solid composite substrate which helps to achieve the high performance standards of Sing Core.

“It would have not been possible if not for Sing Core.”

The unique patented vertical grain torsion box/insulation-packed composite substrate expands the possibilities of building materials, bringing the visions of architects and designers to life and is the only Eco-friendly product known with such lightweight (10% the weight of solid wood) high strength (660 PSI) ability to span long distances with little or no deflection, even under stress and strain over a long life of heavy use.

Ask your favorite architect, millwork or custom door manufacturer about Sing Core.

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Large Cold Rolled Steel Pivot Door with Man Door

General Specifications

 

Standard Sing Core Cold Rolled Steel Pivot Door Blanks are manufactured with patented Sing Core material as the base interior substrate of the door. The Sing Core substrate material is created using a vertical grain natural wood torsion box design while the traditionally empty voids are filled wall to wall with recycled foam. The foam material is available in various forms depending on your specification. The default is recycled EPS foam. Natural wood lock blocks can be positioned at locations as necessary for locking mechanism placement and/or as pivot hardware anchor points. The core material is framed by 1.25-inch wood stiles and rails for finishing strength and attaching hardware. The torsion box is completed by adhering 20 gauge cold rolled steel as exterior material (skin) according to your specifications. The man door opening is cut out to architectural specifications.

Cold Rolled Steel Pivot Door Surface Material

The door blank surface material is made of 20 gauge cold rolled steel unless otherwise specified. Bonding agent used in adhesion of the entire composite material is formaldehyde-free.

Click here for tips on How to Create the Right Sing Panel for your specific project.

Every Sing Core manufactured door blank is unfinished (unless specified otherwise) and professional grade is guaranteed for 50 years for warp-free and structural integrity.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing Core pivot door blank is intended for use in:

  • Single family dwelling interior applications
  • Multifamily dwelling, low-rise professional office, library and low-rise motel interior applications
  • Lighter use industrial building and factory, hotel and retail sales building interior applications

 

Cold Rolled Steel Pivot Door Materials: Sing Core cold rolled steel door blanks are manufactured using Eco-friendly cold-press process. Composite materials include:

  • Sing Core vertical wood-grain torsion substrate filled with recycled EPS foam
  • Core material is framed with solid wood stiles and rails
  • Facings are 20 gauge cold rolled steel
  • Formaldehyde-free bonding agent is used for adhesion of all components

Man Door Component: The man door leaf is created to specifications to match the large cold rolled steel pivot door and is to be fitted inside the opening in the large pivot door panel. In this case, 20 g cold rolled steel with 1.25 embedded solid wood frame and lock blocks on either side of the man door.

Architectural Specifications Substitutes

For information on some of our architectural substitutes click here.

Interior Blocking: Solid wood implants can be inserted as lock blocks or anchor points. Also additional stiles (vertical wood implants) or rails (horizontal wood implants) can be positioned at any desired location inside the cold rolled steel pivot door and man door leaf. (Note: Depending on your expectations, solid wood implants should be supported by at least 12 inches of Sing Core material to maintain true flatness.)

Delivery: Reasonable care is taken to ensure safe transportation of your Sing Core large cold rolled steel pivot door with man door from factory to your location including proper crating to protect the natural beauty of your cold rolled steel doors during transport.

Storage and Protection: Store your Sing Core large cold rolled steel pivot doors in an upright position and allow to acclimate to room temperature following shipment receipt or prior to finishing or installation.

Preparation: Per manufacturer’s specifications, ensure that openings or attachment walls are constructed plumb, true and level prior to installation. Select fasteners of adequate type, number and quality to assure proper function.

Installation: Installer shall be specialized in the installation of the type of work that is associated with the project and will comply with manufacturer’s installation policies and procedures to ensure proper end use.

Verify that attachment, hinging and latching assemblies operate freely and correctly

Finishing: The finishing of the Sing Core large cold rolled steel pivot doors and man doors are the responsibility of the client due to the product being delivered in unfinished condition unless specified otherwise in writing for use in interior applications only. Any exterior use must be approved in advance to avoid warranty exception and sealing must be in accordance with manufacturer’s specifications to protect against a variety of environmental conditions as necessary. In reference to exterior applications:

  • Seal all 6 surfaces with two coat minimum on operable panel(s)
  • Finishing or re-finishing must be completed following acclimatization and installed within 7 days
  • Avoid finishing after rain (or damp) or during periods of higher than average humidity
  • At least once a year, conduct periodic inspections of coating to ensure no wall panel components are exposed
  • Reseal the surface as necessary

Machining: Sing Core large cold rolled steel pivot doors are easy to work with in the metal shop for machining or on-site for finishing, and fastening.

Strength Performance: Patented Sing Core has an unsurpassed strength as compared to other lightweight substrate materials tested at 660 PSI (based on 2″ x 2″ grids and 3/4″ thick) for superior structural integrity and is resistant to warp, twist and crack when compared to other materials.

Light Weight Performance: Sing Core weighs much less than other traditional building materials, as much as 50% less; or more, as little as 4 lbs. per sq. ft. yet sustainable and true green technology.

Insulation Performance: Standard Sing Core door pivot blanks feature built-in insulation value with an R3 (can be upgraded to to R6.5 or more) rating per inch, depending on architect’s specifications.

Acoustical Performance: Sing Core standard pivot door blanks have a natural sound-deadening quality for noise control. Standard sound transmission class (STC) is 30. Additional noise control specifications can be met at the behest of the customer or designer and must be noted in advance.

Eco-friendly: Sing Core is manufactured using natural wood fibers, no formaldehyde, or toxic chemicals, is created using less energy than any other core material with little or no waste. The structure of Sing Core is 100% renewable (nature-grown) clean wood fiber and/or recycled material.

Warranty: Sing Core pivot door blanks come with a 10-year warranty, while professional manufactured pivot door blanks can be structurally guaranteed and warp-free for 50 years under normal conditions.

variety-of-design-options-for-architectural-doors-illistration-sing-core
Custom-cut Window/Lite Openings: Lite openings for glass inserts can be custom cut per your specifications (drawings above show examples of standard openings) for glass insertion.

Door Specifications

Door Width
Rough Opening Width
Rough Opening Height 6/8
2/0 (Single) 26″ 82-1/2″
2/4 (Single) 30″ 82-1/2″
2/6 (Single) 32″ 82-1/2″
2/8 (Single) 34″ 82-1/2″
3/0 (Single) 38″ 82-1/2″
4/0 (Double) *50″ 82-1/2″
4/8 (Double) *58″ 82-1/2″
5/0 (Double) *62″ 82-1/2″
5/4 (Double) *66″ 82-1/2″
6/0 (Doulble) *74″ 82-1/2″

See also: Door Technical Information

Appearing regularly in Contemporary Architecture Design

 

 

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Pivot Door

The only 50 year warp-free guarantee and full structure warranty

Designer and Architects are establishing a new trend in the architectural impact of structures that garner attention at first glance by greeting visitors with a large pivot door. The larger the front pivot door, the more impressive and attention-grabbing.

Large pivot front doors create the greatest impact when a structure is seen for the first time. These oversized pivot door are big and thick, and the bigger the better. These big pivot doors are taller, wider and heftier than other traditional front door styles. Even real estate developers are installing large pivoting entry doors in high end homes for that extra hit in the curb appeal presentation.

Though some door manufacturers build and stock standard pivot doors, ready to install, the high end large pivot doors are custom manufactured for each installation by millworks, craftsmen or custom door manufacturers. Each pivot door is like an individual work of art.

Pivot Door Swing

Large extreme edge pivoting hardware for large swing wooden room dividers with man door Pivot doors are often thought of as having a center pivot point. A pivot door with a center pivot defines the maximum access as basically on-half the door width, because in the fully open position, the pivot door blocks the center of the opening due to the location of the pivot. Large pivot doors may be no problems as a 10 foot wide pivot door can still have a 5 foot access opening.

Center pivots are not your only options when considering a pivot door, as the pivots can be placed at any location. Moving the pivot point of your pivot door more to one side or the other creates a greater egress area on one side than the other. For maximum opening, an extreme edge pivot point can be used for your pivot door, so that it operates very similarly to a swing hinge door. Example: 10×12 extreme edge double pivot doors in the Center for Architecture & Design, Seattle, Washington are each twelve feet wide, five inches thick and open for a full 23 feet of access (also feature a man door for easy access when in the closed position).

Tall Pivot Doors

21 ft tall edge pivot doorA large pivot door can span from floor to ceiling of any structure as well as being very wide and thick.

Pivot Sliding Door

Another growth segment in pivoting doors is a method that combines the best of two types of door hardware to develop a pivot sliding door using multiple floor to ceiling pivoting door panels alternatively hinged and retrofitted in sliding door hardware to produce large accordion door wall systems. These pivot sliding door wall units create complete separation between any two rooms, functioning as folding stacking doors, yet when fully opened reveal one large space.

Pivot Door Materials

Pivot doors can be made of any flat building material including materials that would be impossible to make a hinge door due to the weight. The design of the pivoting hardware can accommodate a pivoting entry door that is many, many times heavier than any hinge door.

Large pivot door can be manufactured using available materials such as cement, metals (aluminum, cold rolled steel, copper, galvanized steel, hot rolled steel, stainless steel, steel diamond plate, etc…), natural or exotic woods (alder, bird’s eye maple, cedar, cypress, mahogany, olive, redwood, walnut, willow, etc… ), stone (granite, limestone, marble, sandstone, slate, etc…), just to name a few.

Heavy Pivot Doors

Though large pivot doors can span from floor to ceiling and the pivot door hardware can handle heavy weights, the challenge to overcome is the obvious one: The large size and heavy weight can create problems over time causing the need for routine ongoing maintenance dealing with issues that compromise either the pivot door or the structure itself.

Heavy pivot doors can cause undue stress on both the hardware and the structure, requiring maintenance on the pivot hardware, frame and possibly the structure under regular heavy use.

Light Pivot Doors

Pivot door room dividers insulated wood lightweight high strength
One way to optimize large pivot doors for weight is to use a strong lightweight substructure that will not compromise the structure of the door. SingCore large pivot door substrate is perfectly designed for large pivot doors sporting additional features besides creating a solid composite door that weighs a fraction of an otherwise solid door.

Modern pivot doors with patented SingCore inside are strong (660 PSI, stronger than steel pound for pound) and the torsion box structure grids are packed with rigid insulation (for added R-value and sound deadening capabilities).

Using SingCore inside your pivot door can transform any heavy pivot door into a lightweight pivot door.

Large Pivot Doors Warp

Warping large pivot doors are one of the chief problems associate with large pivot doors – or any large doors, for that matter – especially if the large pivot entry doors are made using natural woods, which are elegant when installed but tend to move according to variances in heat, moisture and other environmental conditions.

There’s really no way around the natural characteristics of wood grain to bend, warp, cup or twist – that is – until now…

Guaranteed Warp-free Large Pivot Doors

Only large modern pivot doors with professional SingCore inside can be guaranteed to remain structurally sound and warp-free for 50 years.

That’s 50 years of high precision, high performance, low maintenance enjoyment of your breathtaking very large pivot door, guaranteed.

 

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Wooden Room Dividers

When you’re looking to divide a space into two or more spaces, you may want to have more of a true separation between the spaces, while not having to rely on permanent construction and insulation contractors and installation, especially if you’re looking for temporary walls or room partitions that are modular components.

10 ft x 5 ft x 2.25 inch pivot sliding door maple wooden room dividersTemporary walls and room partitions made with SingCore inside have extraordinary characteristics drawing interest from individuals in New York seeking our wooden room dividers as the stand out lightweight, high strength, modern room dividers from 3,000 miles away. You might be surprised to learn we send more wooden products to New York than any other single location in the USA.

Sing wooden room dividers are built to architectural specifications using any of all available wood species though even inexpensive standard torsion box plywood panels available via the Lowe’s Home Improvement Pro Desk are the value-added low cost alternative for the DIY wooden room dividers for the creative do it yourselfer on a budget.

Large Wooden Room Dividers

The biggest wood room dividers present the greatest number of challenges for architects, designers and contractors. Unfortunately, while large wooden panels are highly sought out for their beautiful appearance, performance-wise they can be problematic. Due to the nature of the natural wood, the panel will tend to warp, bend or twist and there is little you can do about it, unless it has SingCore inside.

Warp-free Wooden Room Dividers

SingCore is the solution for creating a wood panel room divider that can be guaranteed warp-free for 50 years, even in a wood panel standing 37 feet tall, if built and designed correctly with professional SingCore. Non-warping wooden room dividers are not the only solution provided when your room partitions have SingCore inside. You also get:

wooden room dividers sliding temporary walls room partitionsInsulated wooden room dividers, providing greater room separation, climate control and sound deadening qualities for added safety, security and privacy between rooms.

Lightweight wooden room dividers, that are less expensive and easier to transport, handle and install (while cutting down on potential injuries caused by working with heavy wooden room dividers).

High strength wooden room dividers, offering incredible strength – even from an inch-and-a-half thick panel room divider – to support the installation of a custom door without compromising the space dividers.

Any Type or Style of Wooden Room Dividers

Wood temporary walls are designed for a wide variety of styles, uses and configurations to meet or exceed the expectations of the best architects and designers in the United States.

Pivot Door Wooden Room Dividers

The most popular configuration for temporary walls are room partitions made using pivoting – or a combination of pivoting and sliding – door hardware.

Sliding Wooden Room Dividers

A fairly straightforward way to temporarily divide a space would be to place sliding doors to separate an otherwise wide open area. When you want the space open, simply slide open the sliding door room dividers and you’re in business.

Bedroom Dividers

You will find the insulation and sound dampening abilities of your Sing wooden room dividers will help you get a good night’s sleep in your cozy new bedroom, while enjoying the redesigned space, yielding a high quality of life with the addition of more bedrooms without the cost of expensive contractors.

Large extreme edge pivoting hardware for large swing wooden room dividers with man door

Moving Wall

Your wooden room dividers could be configured to fully open providing full access to the entire space, when collapsed or folded, or dividing the space into multiple areas serving different functions as you see fit. Some installations include electronically articulating wall components using automatic door hardware with optional remote controls.

Pressure Walls

While some people are using our standard torsion box panels as components in quick and easy pressure walls, our friends in the greater New York area are feeling the crunch of building codes being enforced, especially in Manhattan. For these people, they are reaching out for using our insulated panels as backing for shelves, creating a

Bookcase Wall

Even though bookcase walls are trending now in New York, designers, architects and engineers have been specifying SingCore as the backing material for bookcase walls for increased insulation and room separations when in use as a room divider disguised as a bookcase. In fact, entire bookcases built of SingCore can be easily pivoted with a standard pivot door hinge and used as a temporary wall or secret door which could be opened when desired or necessary, not just as the bookcase wall nyc.

Moveable Storage Unit Wall

The next step in alternative wooden room dividers is utilizing SingCore to build full modular storage units on wheels to make and create not only moveable storage components but to create sound deadening and functional room separation. Thanks to the lightweight and high strength these storage units can be moved around on furniture casters with ease.

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Consumer Reports Pivot Door Consumer Report

In side-by-side comparisons different types of pivot doors are rated according to their performance in many categories including energy efficiency, installation, safety and available materials.

The most popular pivot doors are made of Sing Core, fiberglass (FRP), steel, aluminum and wood (solid and/or composite).

Sing Core Fiberglass Steel Aluminum Wood Stile & Rail Glass
Energy Efficiency x x x x x
Ease of Install x x x x x
Safety x x x x
Surface Material x x x x x
Oversize x x x x x
Affordable x x x
Glass Options x
Maintenance x x x x
Lightweight x x x x x
Warp-free x x x
Insulation x x x x
Sound Deadening x x x x x
Eco-friendly x x x x x x
Thickness Available x x x x x x
Fast Turnaround x x x x x x

Energy Efficiency: Sing Core’s built-in torsion box structure is more dimensionally stable than a standard stick-framed structure and they are pre-insulated for energy efficiency.

Ease of Install: Quick and easy installation. No heavy equipment or high-skilled labor necessary. Assembles fast with ease and seamless installation in a snap.

Safety: When compared to other materials Sing Core weighs much less, as much as 50% less, or more. Which means fewer injuries on the job site and at home. Safety, security and the lightweight means your children are less likely to suffer injury from door pinching.

Surface Material: Available in many different exteriors including (but not limited to) aluminum, cement board, cold roll steel, concrete, ceramic tile, fiber glass, galvanize metal, glass, MDF, metal, plastic, plywood, solid wood, stainless steel, etc…

Size: And when it comes to big pivot doors over 5-0 by 8-0, our custom oversize pivot doors continue to deliver the best results enjoyed by the top millworks and door companies in the world service the most demanding high-end users.

Affordable: Until now, pivot doors have generally been too expensive for the average homeowner to consider, but one pivot door core material is changing all that. Sing Core manufactures an Eco-friendly pivot door core material used by the most high-end architects, designers, door manufacturers, millworks and contractors for building the best pivot doors in the world.

Glass Options: Sing pivot door is basically a Sing Panel (that can be any size) custom cut for your window lights (without compromising the strength) to achieve your desired results, and can even be used to duplicate the exact appearance of any other door (and have been used in antique restorations).

Maintenance: Large doors are heavy, requiring heavy duty hardware and cause extra stress on the frame and structure. Warped doors are a common occurrence associated with large doors. This can be annoying for the end user due to the constant maintenance calls required for dealing with the warping door (though it is good for the door service business).

Lightweight: No more heavy sliding doors or pivot doors weighing in at 1,000 lbs. or more. Now you can make a pivot door – even floor to ceiling oversized large pivot door – that can be less than 20% the weight of a traditional pivot door (as little as 4 lbs. per sq. ft.) which means longer maintenance-free performance and less expensive hardware (and less door and hardware repair).

Non-warp: Say, “Goodbye,” to your warped door. Only patented Sing Core enables door manufacturers to create doors that are true flat (far exceeding AWI standards for flatness) and are guaranteed to stay flat – not warp, bend, twist or cup – for a full fifty years.

Insulation: Your Sing pivot door is pre-insulated using pre-built torsion box panels (aka Reinforced Structural Insulated Panel RSIP) and never worry about damage, compromise or loss due to mold or mildew. Insulation value R3.5 to R6.5 per inch (or more according to architectural specifications).

Sound Deadening: Standard Sing pivot doors are equivalent to STC 13-to-30 depending on the materials selected by the client.

Eco-friendly: The structure of Sing Core is 100% natural and renewable vertical grain wood fiber. There simply is no other core material that is more natural or renewable than Sing Core’s structural material. The material is manufactured in the USA with less energy and less waste than other materials.

Thickness available: Sing pivot doors are available in any thickness up to 8 inches, or more depending on architectural specifications.

Easy to machine: Sing Core is easy to work with in the shop or on-site for sawing, sanding, adding solid wood implants, gluing, cutting and fastening.

Fast turnaround: In you’re in a rush, only Sing Core can be custom made within 48 hours and is proudly manufactured for you in the USA.

Fiberglass pivot doors

The good news: Inexpensive, weather resistant, usually insulated, can look like real wood, do not dent or rust.

The Bad news: Not impact resistant, can crack over time. Limited to 5 ft. wide & 8 ft. tall size

Steel pivot doors

The good news: Inexpensive, more security, weather resistant, low maintenance, paintable and energy efficient.

The Bad news: Weather resistance breaks down over time (cold and heat can move around or through the door slab), hard to fix if dented or damaged, may deteriorate rapidly or rust if not properly maintained and you can’t stain steel doors. Limited to 5 ft. wide & 8 ft. tall size

Aluminum pivot doors

The good news: Resistant against corrosion, distortion and other harmful effects of the environment.

The Bad news: Aluminum won’t rust, but it does pit and the powder coat finish can be damaged. No insulation. Limited to 5 ft. wide & 8 ft. tall size

Wood pivot doors

The good news: Best at resisting wear and tear, least likely to dent. Scratches can easily be repaired.

The Bad news: Expensive, require regular maintenance or varnishing to maintain appearance. Shorter warranties than other types of front doors. Limited to 5 ft. wide & 8 ft. tall size

Sing pivot doors

The good news: Available in any size, any style, any flat surface material. Sing Pivot Doors can be full structure guaranteed including non-warp for 50 years.

The Bad news: Your pivot door core may not be Sing Core.