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We Apologize

We are sorry you were contacted in a manner which was not relevant or with information which was not a good fit for you.

It is our desire to only provide you with the best experience when hearing from us, here at Sing Core.

If you would like not to ever hear from us again, simply provide your contact details below and we will remove you from our system.

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As always, we protect your information and will not disclose your contact details to anyone.

Thank you for trusting Sing Core,

~ Peter Sing

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The Best Large Doors in the World

Built to last centuries, guaranteed for 50 years

 

 

Sing Core helps the best door companies, architects, and millworks build the best doors.  Doors with Sing Core inside are built to last centuries, and they are guaranteed for 50 years.

We are proud to provide one of the longest lists of happy customers in the world.  All of those customers now possess the most prestigious large size doors, which are guaranteed not to warp, bend, twist, or otherwise fail for 50 years.

14' Tall Oak Doors in One World Trade Center

Reaching for the stars from the tallest doorway heights of the tallest building in the USA

The most successful, biggest, best, and most well-known door companies and millworks in America rely on Sing Core to provide them with the lightweight warp-free door cores that can support extreme over-sized doors, accommodate added materials (for sound proofing or fire rating), and offer strength ratings which are, pound for pound, stronger than steel.

Sing Core could not make such claims, unless we backed up our words with the highest performance results in the industry.

 

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You can rest assured that your door with Sing Core inside will forever be the best investment you will make, with many years of sustained performance and sustainability.

Eco-friendly Sing Core is fully insulated for sound deadening and climate control.

 

 

 

 

 

The best doors in the world have Sing Core inside

 

 

 

 

When you’re looking at an extravagant large pivot door, sliding door, pocket door, or an elegant French door that towers over your head, remember that we don’t build doors.

 

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We get calls everyday from homeowners wanting to add Sing Doors to their own homes, magnificent over-sized, large doors like the ones they see on our Website or in the most luxurious, over the top, locations all over the world, where Sing Core doors have been finished and installed. We do not do this, because we do not finish or install the doors. Only the best door companies in the world do this. You need to contact your favorite door company.

What we do is to supply the best millworks and door manufacturers, and the most prestigious architects in the United States with our handcrafted warp-free custom door blanks, ready to finish and install.  Their expert finishing touches are a major part of why doors with Sing Core Inside look so beautiful.  Without their expertise, Sing Core looks just like plain wood panel.

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Homeowners who would like Sing Core doors in their own homes can contact an architect or millwork to order, finish, and install the doors for them.

 

 

 

 

What Makes Sing Core Doors Different?

 

 

 

We have the best patented and patent-pending methods to create the largest, most lightweight, most insulated Eco-friendly most doors that can be guaranteed not to warp, bend, twist, or otherwise fail for 50 years.  Sing Core uses the only door manufacturing methods which can deliver these extreme results in the largest, most high precision modern doors featuring any contemporary material, because conventional large wood grain doors are prone to warping and a host of other problems, including excess weight.

 

 

 

 

How Do You Build a Sing Door?

 

 

 

 

If you’re a custom door manufacturer, you start with a Sing Core door blank and build your large pivot door, large sliding door, large pocket door, or huge French door just like you would any other door that you build. Having Sing Core warp-free door substrate inside your door makes all the difference in the world.

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Our modular door system is by far the best in the world!

 

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Before finishing

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We aren’t able to show the final door because of copyright information.

 

One of a Kind Sing Doors

 

 

 

Keep in mind that no two doors with Sing Core inside are exactly the same (except in the case of large bulk door orders).

Every door with Sing Core inside features a uniquely engineered base door material which is manufactured to exacting standards taking into account all the details of the application associated with each door.

 

 

 

Attention to Detail

 

 

 

Attention to detail is the method of ensuring that each Sing Door can be guaranteed for flawless performance and longevity by taking into account where the door will reside when it is installed. What will the climate conditions be? Will it be installed inside, outdoors, or will it be a front door with one side exposed to the elements and the other to the structure’s interior?

 

Will your large exterior door be facing North, South, East, or West? What materials will be used on the exterior of the door? Will the surface material need to match other doors featured in the project?

Large over-sized wooden doors present their own set of challenges because every different species of wood grain has its own propensity to shift with changes environmental changes, like temperature and humidity.  Sing Core inside as well as the stiffening and anti-warp configuration in the door substrate will have to be uniquely matched to any difference in door size.

 

 

 

 

Sing Core is not a one size fits all solution

 

 

 

 

That’s why you find Sing Doors featured inside the most expensive homes, commercial, and industrial locations in the United States and around the world.

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It’s no easy job to make a warp-free large door, especially if it is door of enormous proportion which needs to remain dimensionally stable and warp-free over time, but as the most prestigious millworks and custom door manufacturers already know, Sing Core is the only way these results can be achieved.

 

 

 

 

Sing Core Solved the Problem

 

 

 

 

Sing Core has solved all of the problems associated with manufacturing large over-sized doors of all kinds.  Door designers and engineers no longer have to deal with the problems of weight to strength ratios, or having to worry about how to transport, handle, or install large heavy doors.

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Doors with Sing Core inside are not only lighter in weight than other solid core doors but they are high precision (hosting .006 inch tolerances) and stronger than steel (660 PSI or more) pound for pound.

 

 

 

 

How Can You Get a Sing Door?

 

 

 

 

All you have to do is to go to your favorite custom door manufacturer or local millwork and tell them what kind of door you want being sure to tell them you want,

 

 

 

 

 

“Sing Core inside your door.”

 

 

 

 

 

We will work with them hand-in-hand to design the perfect door to your specifications.

 

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With Sing Core
You Can Have Your
Dream Door

 

 

 

Make your door dreams come true with Sing Core inside your door.

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The Most Extreme Doors in the World by Sing Core

Sing Core has been making doors for nearly 15 years.  During that time, we have made big and small doors, high and low, made of the best materials available on the market, built to last a lifetime, guaranteed to be warp free, according to AWI standards.  Without a doubt, every door that comes through our factory is a work of art, but there are a number of doors which have exceeded all expectations to become some of the most extreme doors ever made.

 The Most Extreme Doors in the World by Sing Core

Many doors have made it into the Sing Core Hall of Fame, but today let’s focus on a few of the most impressive doors.

 

 Sliding Doors

Microsoft Huge Sliding Door

We were approached by one of the leading door and windows companies in the world, Cascade Door and Hardware to make this door that nobody deemed was even possible.  With a span of 25 feet wide and a towering height of 9 feet tall, this door is, hands down, one of the largest doors in the world.

humongous giant sliding door finished

We were approached by Microsoft to accomplish a task known most often in the industry as “mission impossible.”  We rose to the challenge, because we knew we could do it. This door is stronger, straighter, lighter in weight than any other door of its size in the world. Only Sing Core can do this!

We have solved all the problems with large doors, because our patented and patent pending special construction methods allow us to manufacture doors that are stronger, straighter, lighter in weight, and warp free according to AWI standards.

With our large Modular Door System you can transport multiple panels into difficult to reach areas of a work site, then join them together to make humongous doors that appear virtually seamless and function as single, complete functioning doors.  You’ve never seen anything like this before, because no other door manufacturer can do this!

 When you need the biggest and the best, only Sing Core will do!

 

Pivot Doors

 Amazing Beverly Hills Pivoter

Magnificent Beverly Hills Pivot Door

OB Williams needed the best door he could get his hands on, when he was working on the most beautiful homes in Beverly Hills.  If you live in Beverly Hills, you need the best possible doors to represent your image, because unimpressive doors will damage your status.  Not only are Sing Core doors the strongest in their weight class, they are also up to 80% lighter than solid wood doors.  Moreover, they are warp free and eco-friendly, and far more visually appealing than competing doors.  They can also be made in any size with any skin.

Magnificent Beverly Hills Pivot Doors, Images Courtesy of Troy Adams

 

Doors are one of the most important elements of design when building the most high end residential homes.  They must be strong, light weight, and warp free, according to AWI standard.  Because of our  unique patented and patent pending designs, our doors can be made with extreme precision, within tolerances of +/- .006 of an inch.  No one else can do this!  In the door manufacturing industry.  This kind of door is often called “mission impossible” and is selected by the most prestigious architects and designers in the world.

 

 


AIA Seattle Design Center Giant Pivot Doors

AIA Seattle Design Center Giant Pivot Room Dividers

FAIA Mr. Peterson, a senior architect for Suyama Peterson Deguchi, called on Sing Core to make these huge pivot man doors for the AIA Seattle Design Center remodel.  They needed doors that were extremely strong, yet light weight enough to work with their specialized door hardware.  Their idea was to create a gallery that could be instantly converted into a conference area.  Sing Core patented and patent pending technology made this possible by using our ultra light weight, high strength design.

Without Suyama Peterson Deguchi and Sing Core, AIA would not have been able to accomplish their tasks of converting their office space into a unique, convenient, practical, world-class conference room, gallery rife with style and elegance.

Suyama Peterson Deguchi Large AIA Pivot Doors

aia seattle doors

Terminal C-18 Film Screening Room, Minneapolis, Minnesota

The C-18 in Minneapolis, Minnesota Airport needed a double purpose wall, one side for their art exhibit, the other side for their quiet theater screen viewing room.  The problem was that these walls needed to open and close to allow access the the foyer area. 

Minneapolis C-18 Airport from outside of the quiet screening room

Terminal C-18 knew there was only one company they could count on to get the job right.  Sing Core rose to the occasion.   

The panels we manufactured and provided by far exceeded their expectations.

Photo Courtesy of Minneapolis Airport
Inside view of the C-18 quiet screening room

Sing Core has helped to create a better environment for everyone at Minneapolis Airport, because we can make our panels stronger, straighter, lighter, and more warp free than the competition.  

Curved Architectural Doors


12 ft. Tall Walnut Pivot Door

12′ Tall Walnut Wood Stave Pivot Door

12′ Tall Walnut Pivot Door Only 177 lbs

Pivot Door Gallery

Miller Blaker 16 Foot Tall Pivot Door

Miller Blaker came to us with one of the most challenging jobs in the entire world.  They needed doors high quality enough to install on the top floor of the most prestigious building in the world.  They came to Sing Core, because they knew our proven track records of building doors that are not only best in their class in terms of structural stability and strength, but also light weight enough to hang on Miller Blaker’s hardware of choice.  

No one else can achieve the dimensional stability Sing Core can.

These doors had to be perfectly straight, dimensionally stable, and incredibly strong for use in such a challenging scenario.  Miller Blaker required doors that were 16 feet tall, 3 feet wide, yet only 2.25 inches thick.  Often these kinds of dimensions are what industry professionals call “mission impossible.”  Here’s at Sing Core, we make the impossible possible.

Moreover, we built these doors with a solid oak edge that makes the entire door appear like solid wood with no seam.  Only Sing Core can do this!

The best doors made with the best materials.

14' Tall Oak Doors in One World Trade Center

When Miller Blaker came to Sing Core, what we ended up with was a winning combination all around, one of the best architects in the world, paired with the best materials in the world, for doors that would end up in one of the best locations in the entire world.

 

21 Foot Tall Steel Pivot Door

One of the leading design firms in the country needed a very special door for one of their best customers.  They needed a door that was not only strong, but also straight because of the sheer height of the door. This door measures a whopping 21 foot tall, making it one of the world’s tallest pivot doors ever made.   Not only did this door need exceptional strength and warp free, but also, because of the magnificent size, it had to be extremely light in weight. What everyone else calls “mission impossible,” Sing Core calls a job well done.


One of the most magnificent doors in the world, made by Sing Core, Inc.

Here at Sing core we can manufacture panels that are stronger, more durable, lighter in weight, more warp free than AWI standards, in more available skins.  Moreover, they come in any size, larger than any other panels on the market, they are more visually appealing, and come with many more features, with more bells and whistles.  Not to mention, they are the only panels on the market that come with a full 50 Year Warp Free Guarantee.  They are 100% handmade in America, using materials sourced from the united states.

Magnificent Pivot Doors Made Exclusively by Sing Core

This huge 21 foot door, one of the largest doors in the world, is made with Sing Core technology.  You can see how small this man is compared to the door in this photo.  This is a true life image that shows the actual scale.  No one else can do this!

 

Brandner Design Incredible Accordion Pivot Sliding Door Room Dividers

With the help of Sing Core, Brandner Design’s amazing innovation and design skills made this door one of the most exceptional doors in the world.  Many people thought it wasn’t possible to make accordion sliding door room divider walls.  No one can shed doubt on these doors, because this video is irrefutable proof.

When their client needed a special door that could divide this room and fit into a recessed receptacle inside the wall, Brandner Design called upon Sing Core to help them with the task.  No other company was better suited to the task, because our panels are stronger, straighter, more dimensionally stable, and lighter, so they’re able to accommodate more hardware and stand the test of time, even after hundreds and thousands of uses.  In the door business, there is one rule that stands true, no matter what kind of door you are installing.  Exceptional panels result in exceptional doors.

For more information on these 10 ft. tall steel accordion doors, click here.

 Pocket Doors

On the left is our world renowned Sing Core substrate which you can use to apply any skin.  On the right, is the door finished by the architects.  This beautiful mural door is an example of how an amazing designer or architect can use our panels to create the most beautiful doors imaginable. Mural doors are one of the more interesting ways to use our products. They can also add a great deal of character to an otherwise stale environment.

We can build you a substrate, ready for you to paint your own murals, or you can order doors from us in any skin.

Sing Core can make you doors in any skin

 

Metal Doors

Hot Rolled Steel Pivot Door

Sing Core specializes in a wide variety of exceptional quality metal skin doors.  We have hot rolled steel, cold rolled steel, and aluminum skins.  We also offer edge banding as a premiums option.

Unique Hot Rolled Steel Sliding Man Doors

This beautiful hot rolled steel man door can be opened and closed very.  Check out these beautiful Sing Core doors we manufactured for Jet City Winery.  The hot rolled steel appearance gave them the amazing darkened look.  We used 20 gauge steel with edge banding, which gave the doors a very heavy look, like solid steel, but with the patented and patent pending Sing Core design, we were able to make them very light. 

Hot rolled steel sliding man doors

The best metal doors in the industry have Sing Core inside them.  We start with a super strong, super light, ultra straight panel, then encase it completely in metal, resulting in a metal door that is  up to 900% lighter than solid metal doors, while maintaining increased structural strength, better resistance to warping, and a much higher degree of visual appeal.  No one else can do this!

Because pivot doors require exceptional strength and the need to be exceptionally straight and lightweight in order to function properly, Sing Core was the only choice.  Only Sing Core can create 14 foot French doors that are lightweight, strong enough to stand on, and warp free according to AWI standards, and visually appealing enough to meet even your most rigorous needs.  Quality is at the core of the Sing Core philosophy.

 

French Doors

14 Foot Tall French Door

Industry leading millworks, architects, and high end designers call on us to make all kinds of doors that present far too much of a challenge for other door manufacturers to construct.  This was the very door many of our customers called “mission impossible.”

14-Foot-tall-French-door
Huge 14 foot tall French door
one-man-holding-14-foot-french-door

This 14 foot tall French door can be easily carried and transported by just a single worker, yet, pound for pound, it’s stronger than steel and warp free guaranteed for 50 years.  Here at singcore, we make the impossible possible! Doing the impossible while providing you with exceptional quality products is part of our philosophy here at Sing Core.

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Sing Structure Grid Specs

Applications -> Building Components -> Doors -> Sing Structure Core Specs

General Specifications

Standard Sing Core composite structure consists of inventor Peter Sing’s reinforced vertical grain torsion box grids at small sizes for increased strength and performance, often compared to honeycomb core, but so much stronger than any other lightweight structure core. This enables door manufacturers to design and build massive doors which have increased dimensional stability.

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

Every Sing Core manufactured door is unfinished (unless specified otherwise) and is guaranteed for structural integrity for 10 years or more. See details on written guarantee that came with your door that has Sing Core inside.

Detailed Specifications:

Scope: Subject to local building codes, the standard Sing reinforced torsion box composite core is featured inside doors 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

Product Description: Patented Sing composite structure core

  • Structure core is available in 2 x 2″, 2 x 3″, or 3 x 3″ grids

Structure Core Materials: Sing Core composite structure is manufactured using Eco-friendly cold-press process. Composite materials include:

  • Natural vertical wood fiber, with gain orientation vertical (not horizontal)
  • Grid voids are filled with recycled EPS foam (default) or other architecturally specified material 
  • Facings to complete the torsion box are wood, or other specified flat building material
  • Formaldehyde-free bonding agent is used for adhesion of all components

Architectural Specifications Substitutes

For information on some of our architectural substitutes click here.

Interior Blocking: Solid wood implants are 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 door prior to the door’s manufacture. (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 composite torsion box door core from factory to your location including proper crating to protect the natural beauty of your door during transport.

Storage and Protection: Store any door with Sing Core inside 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 door frame openings 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 hinging and latching assemblies operate freely and correctly

Add-stiles-and-rails-to-your-sing-door-as-anchor-points-drawingFinishing: The finishing of the Sing Core standard door is the responsibility of the client due to the product being delivered in paint-grade quality unless specified otherwise in writing. Any sealing must be in accordance with manufacturer’s specifications to protect against a variety of environmental conditions as necessary.

  • Edge-band edges to encapsulate Sing Core (see T-molding)
  • 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 door components are exposed
  • Reseal the surface as necessary

Machining: Sing Core doors are easy to work with in the millwork shop for CNC machining or on-site for finishing, sawing, sanding, cutting and fastening. No specialized skills or equipment is necessary, other than standard woodworking tools. Treat Sing Core doors just like you would any other standard door blank.

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 doors 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 doors 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 fiber and/or recycled material.

Warranty: Sing Core professional manufactured doors can be structurally guaranteed and warp-free for 50 years under normal conditions.

Basic Sing Door Spec Drawings: Click here

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 (Double) *74″ 82-1/2″

See also: Door Technical Information

Appearing regularly in Contemporary Architecture Design

* Note: STC rating varies according to size, thickness, skin, and other factors. Sing Core does not rate doors, although we are fortunate enough to have one of the best sound testing labs in the world, here in the Pacific Northwest. If you require a specific STC rating, Sing Core can build a door to your architectural specifications and have the resulting door tested at our rating facility for an official rating.

 

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How to Join Sing Doors

When your beautiful new Sing Core door sections arrive, it is important to take the time to glue the door together properly. Although Sing Core panels are guaranteed warp-free, we cannot guarantee work done on site. Failure to properly follow these directions may result in a poor final product.

Sing Splines Don’t Crack

Sing Core uses our patented core material as a spine to join several panels on site. Unlike solid wood, the stability of the core material means that there is no danger of cracking or splitting of the seam at the join location.

Join on Site in Three Steps

1. Lay Your Door Panels Flat

It is crucial that all of your panels are resting on a flat surface and are completely level.  If you attempt to glue the panels together against a wall, or any way other than flat, you will end up with a crooked joint and a “warped” door. The first step to join a Sing Core sectional door is to lay the panels on a flat surface. Any flat clean surface will work. For very large doors we like to use two straight beams laid on the ground along  to hold the top and bottom of each door segment.

2. Insert Your Biscuits or Spline into the Edge of One Panel

Each biscuit and slot are precisely cut to join with the greatest strength. Carefully, push or hammer each biscuit lightly in place into the edge of one panel. Then your panels are ready for joining.

3. Joining the Panels

The final step in joining a modern sliding or pivot door is to press the sides together. This can be accomplished a variety of ways, including gentle application of a sledge hammer, a few ratchet straps, clamps, or any other means you have of providing joining force. Once joined, the door is strong and secure, built to last, and can be finished and installed as any other Sing Core door.    
Joining Large Sliding Pocket and Pivot Doors

Joining Large Sliding Pocket and Pivot Doors-Animated

Joining in Action

How to Clamp at the Join

When you want perfect alignment for very high tolerance applications, it’s best to sandwich each joint with a straight guide temporarily during the gluing process. In order to make your process easier, Sing Core offers construct custom true straight guides for your application and ship them with your order. These guides are made with the same high precision core material as our other products and offer superior ease and performance. Specify you would like clamping guides when you place your order and we will gladly include them for you.

Sing Beam

If you have a very wide and large door, you might consider ordering a straight Sing beam to keep the top and bottom of the door in process perfectly straight in addition to the temporary guide to make sure the door perfectly flat the entire length.
Let us know if you would like sing beams added to your order and we would be happy to oblige.

Summary

The flatness of your door depends on how flat your sections are when they cure. Any warping in the mold will be retained once the glue drys, so it is vitally important that you clamp up your sections precisely straight.
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Custom Pivot Doors

Even though you find the best custom pivot doors with Sing Core inside in the best million dollar homes in the world doesn’t mean you have to be a billionaire to have such prestigious custom doors in your home.

The Only 50 Year Warp-free Guarantee and full structure warranty

All custom doors considered, custom front doors present the greatest challenge for the manufacturers, especially if they are custom wood doors. Specifying custom wood doors sounds easy; just spec the size of the wooden door, the type of wood you or your client wants to see and the type of door operation, such as a “pivoting;” although, it’s not quite that easy.

For instance, on a 16 ft tall pivot front door made of teak in a high end luxury home many factors come into play. In the first place wooden pivot doors over 7 ft tall are going to warp. This is the primary concern of the pivot door manufacturers, followed by matching the door with the appropriate pivot hinge and other pivot door hardware. Then there is the installation. The size and the weight of the door can cause a great deal of concern in handling, transportation, and installation of the custom pivot door.

Pivot Front Door

A pivot front door leaves a lasting first impression when someone first encounters the structure. To focus on this unique design element opportunity architects and designers are opting for pivot entry door which are large in size and feature an elegant wood grain. The nature of the pivot front door poses challenges because pivot entry doors traditionally face two varying climates, one on the inside of the structure and the other the exterior which may be exposed to the elements and various weather conditions. This is the perfect recipe for a warping pivot door.

Unlike hinge doors, which have hinges along the side of the door to help keep at least one side of the door from warping much, the pivot hinge is anchored only at one point at the top and the other on the bottom of the custom pivot door. That’s it. Unlike hinged doors, you cannot add an additional pivot hinge to help keep the door straight.

Warp-free Pivot Front Door

The advantage of seeking out a proficient custom pivot door manufacturer, is relying on their years of experience in working with specialty custom front doors over their service life. They know what will work, and what will cause problems over the life of a custom pivot door’s service record. They are aware of the challenges faced in dealing with large custom wood doors, and know there is only one way to build wooden pivot doors that will not warp, and that’s with patented Sing Core inside.

50 Year Warp-free Guarantee

Most custom pivot doors are exempt from warranty, or may carry the customary one-year warranty because (and the client is always informed of this before the contract is signed) it is likely that the custom pivot door will warp. Warped pivot doors will create problems for the doors operation, adding pressure to the pivot door hardware and will likely prevent the custom pivot door from securing correctly. While a warp-free custom pivot door will always seal and operate superbly. And unlike any other custom pivot door made today, only custom pivot doors with Sing Core inside are guaranteed not to warp, bend twist, or otherwise fail (including full structure warranty) for 50 years.

Save On Expensive Pivot Door Hardware

Another huge advantage of building your custom pivot door with Sing Core inside is that the resulting large pivot door will weigh in at a fraction of other large custom pivot doors with solid pivot door substrates. The key, here, is the use of a patented vertical grain torsion box/recycled rigid foam insulation composite resulting in the high performance solid core that is high strength (660+ PSI) which is stronger than steel pound-for-pound, yet adds very little weight to the door. Lighter weight custom pivot doors means you save thousands of dollars on pivot door hardware because the hardware is based on the weight of the door.

No more paying many times the price of your custom pivot door on just the pivot door hardware to operate the pivot door safely and securely over time.

That leaves more for your budget to spend on the expensive pivot door hardware that you can see, like the handle on this 16 ft tall teak pivot door which cost many thousands of dollars.

You’re in Good Hands with Sing Core

When you trust the warp-free experts at Sing Core with the inside of your custom pivot doors, you know they will support your core values with their best efforts to deliver only the best custom pivot doors possible to your most discerning clients with high expectations.

How Do I Get Sing Custom Pivot Doors?

Good question. While Sing Core is featured inside the most prestigious, high end doors in the world, Sing Core does not make doors. The fine details of any door with Sing Core inside are handled by the most proficient and competent craftspeople in the millworks and custom door manufacturers who add the finishing details of the making of your custom pivot door.

That’s why Sing Core doors are the best doors because it takes a team of professionals to get the job done and to do it right. We do what we do the best, the base door, and they do what they do the best, the finishing. This results in your assurance that you are only getting the best of the best in custom pivot door technology and craftsmanship.

To get your custom pivot door with Sing Core inside, contact your local custom pivot door manufacturer, pivot door company, or millwork and be sure to tell them you want, “Sing Core inside.”

Custom pivot door manufacturers, pivot door companies, or millworks can click for pricing of custom pivot doors.

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Breaking News: Concealed Pivot Door Hardware

It is well known among the high end pivot door industry that Sing Core pivot door blanks are the only way to create the best lightweight, high-strength pivot door of any size (even extremely large in size) that can be guaranteed not to warp, bend, twist or otherwise fail (including full structure warranty) for 50 years.

The Only 50 Year Warp-free Guarantee and full structure warranty

Breaking News FritsJurgens Pivot Door Hardware

It’s no wonder the clients who use patented Sing pivot door core to build their high end doors are using the latest in leading edge pivot door hardware. While your pivot doors for the elite may feature any type or style of pivot door hardware made by any of the most popular pivot door hinge manufacturers, one new type of pivot door hinge is getting installed in more large pivot doors with Sing Core inside.

Breaking News

It has come to our attention that the new System M hardware from FritsJurgens in Holland is what all the latest buzz is all about.

What’s the big deal?

The big deal around Sing Core is always about big pivot doors. Not only big pivot doors but the biggest pivot doors because you could be talking about thousands of pounds of a large pivot door, which could be reduced to ten percent of the weight by having Sing Core inside.

Architects, our custom door manufacturers and millwork clients rely on the lightweight fail-safe aspects of pivot doors made with Sing Core to keep your project, not only at the elitist level of excellence, but within a reasonable budget. While those huge pivot doors can be very expensive to build and handle, the sheer weight of the door dictates the hardware necessary to accommodate such a door.

Installation of the hardware to operate an enormous pivot door can require extensive engineering efforts as well as becoming a burden on the installation, especially if it is being retrofit into an existing structure (not so bad if prepared for in a new structure being built).

Then comes along Holland’s FritsJurgens with the perfect match of sleek System M hardware that is the easiest pivot door hardware to install, especially in a retrofit application, carrying a weight of up to an 1,100 pound pivot door. That could be a 37 foot tall pivot door with Sing Core inside!

Concealed Pivot Door Hardware

The pivot closer is concealed within the door, not the floor! Making this the easiest to install pivot door hardware, requiring very little modification at the job site to install. Some of our custom pivot door builders are able to transport a completed pivot door system fully installed and pre-hung from their factory or millwork to the job site for the easiest installation of pivot doors ever, thanks to FritsJurgens’ System M nearly concealed hardware.

If you’re using a Sing pivot door blank for your pivot door substrate and you plan on using FritsJurgens’ System M pivot door hardware, all you have to do is let our design staff know when you’re placing your order. Sing Core can pre-install the required blocking necessary to accommodate the FritsJurgens System M pivot door hardware.

If you’re upgrading an existing non-Sing pivot door to a pivot door with Sing Core inside, you will be glad to know that FritsJurgens’ new System M closer works with existing FritsJurgens top plate and top pivot.

At present, this is a leading-edge well-kept secret among the most elite high end custom door manufacturers, but we thought you would like advance notice before this product becomes more widespread in use across the United States.

According to John Derosa, “The M is a wonderfully engineered, highly advanced pivot closer that is changing the technology of pivot doors. The fully adjustable M is the closer solution for large, heavy pivot doors without having to install any hardware into the floor or the ceiling.”

Here are some of what you can expect from your FritsJurgens System M Closer:

  • Everything in the door, nothing in the floor or ceiling
  • Super thin profile for min thickness doors 1 3/4″ (or thinner?)
  • 5 different models to choose from based on door width, weight, location of pivot (M32A, M32B, M32C, M32D, M32E)
  • Holds 661 lb doors and up to 1,100 lb doors under special circumstances
  • Adjustable speed, backset, floor plate and more adjustments

You can get more information and details about how to integrate the FritsJurgens System M pivot door hardware into your large pivot doors with Sing Core inside by contacting our friends at:

Bridgeport Worldwide
800-362-1484
840 Railroad Avenue – Bridgeport, CT 06605
www.BridgeportWorldwide.com

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Trade Show Booth Pictures California State Fair

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Top 7 Pocket Door Problems and Solutions

The pocket door has been one of the more interesting types of doors that is not only functional but clever in its ability be secluded out of sight, like a hidden door or room divider. Pocket doors are doors that slide into the wall. Also referred to as a cavity sliding door, a sliding cavity door is just like what it’s called, as the door is hidden inside a cavity inside the wall when in its opened position.

As the best architects, millworks and door manufacturers realize that while these types of doors are an effective and brilliant combination of brilliance and creativity, the pocket door does present a few problems associated with their use. That’s why you want to use the best pocket door system.

The Top 7 Problems with Pocket Doors Solved

1. Pocket Doors Warp – Problem

Let’s admit it; the number one problem associated with pocket doors is door warping. A warped sliding pocket door is a huge problem because there is usually a nominal amount of space on either side of the door when the door is snuggled inside the sliding door cavity. A little warp will damage the finish of the door, while a more severely warped pocket door will cause the door to get lodged within the wall, making it difficult to pull out without causing other complications or damage.

1. Pocket Doors Warp – Solution

Sing Core provides the best pocket door manufactures with the only lightweight warp-free pocket door core which is based on a combination of patented reinforced insulated vertical grain torsion box core and composite anti-warp stiffening inserts (patent pending) to provide the only warp-free solution regardless of building materials used (even solid wood stave).

2. Pocket Door Weight – Problem

As a rule pocket doors are pretty heavy, and they’re made to be heavier, because unless you know better, you think that the thicker the door is the less it will tend to move, which is the bane of all wood pocket doors. In the case of pocket doors, adding weight is not the answer, unless you’re in the pocket door maintenance and repair niche.

2. Pocket Door Weight – Solution

The Sing Core lightweight pocket door solution revolves around the lightest weight Eco-friendly pivot door core weighing-in at a fraction of the weight of other wood-based solid wood core. Superior lightweight performance without compromising strength, precision or performance.

3. Pocket Door Repair – Problem

When you have problems with your pocket door it’s going to be a costly issue when dealing with pocket door repair. Why? Unlike other fixed doors which are exposed your pocket sliding door is generally not seen in its opened position, making access to the door unlikely without having to remove the wall supplying the door’s cavity.
If you have to pay for pocket door repair, keep in mind, it may be costly and it will cost you many times the cost of your door over time, especially if it is a wooden door because it will be even more susceptible to warp. While repairing a door can be costly, it might save you money by considering pocket door replacement every so often.

3. Pocket Door Repair – Solution

Sing Core is unprecedented in its reparability. For instance, you could skewer your pocket completely through with fork lift forks and repair it on site by cutting out the damaged area with a chainsaw, glue in a new piece of Sing Core, putty, sand and finish the pocket door and it’s just like new. No compromising the strength or integrity of the original Sing Core pocket door, without even dismantling the door.

4. Pocket Door Hardware – Problem

Pocket door maintenance will include maintaining the hardware, and if your door is a heavy one. The more you use it, the more maintenance will be necessary over time. Plus heavy pocket doors can also compromise the pocket door frame as well as the structure due to stress and strain of operating your door over time. Heavy pocket doors require expensive heavy duty hardware for heavy doors because the pocket door hardware is based on the pocket door’s weight.

4. Pocket Door Hardware – Solution

Since the Sing Core composite pocket door core solution is so lightweight, you can save so much money on being able to use lightweight pocket door hardware (since pocket door hardware is based on weight), not to mention the savings in transporting, handling, manpower and equipment necessary to install the completed pocket door system.

5. Pocket Door Precision – Problem

The problem with pocket doors is that it is difficult to make them with any degree of precision, due to the limitation of the building materials and manufacturing process. Natural wood moves, so it could be straight and true upon installation, but not long after. If welding is used in the manufacturing process, this may also cost you your pocket door’s precision. A single pocket door may not require high precision if it is the only door in the cavity, but what if there are other doors sharing the same space, precision is of primary importance.

5. Pocket Door Precision – Solution

No other Eco-friendly, lightweight high-strength pocket door core can compare to Sing Core in terms of high precision. With the highest tolerances (+/- .006 in.) patented Sing Core can be sanded, milled or machined so precisely, that’s why you see Sing Core everywhere from beneath the ocean (U.S. Navy) to outer space (NASA) and everywhere in between when high precision and dimensional stability are the most important factors.

6. Double Pocket Door – Problem

The highest precision is necessary to accommodate more than one pocket door in the wall’s cavity which is an invitation for constant maintenance, as multiple pocket doors (2 or more) are rubbing up against themselves due to lack of precision or warp gone wild.

6. Double Pocket Door – Solution

Sharing the same pocket door cavity with not just double pocket doors, but multiple doors, is no problem for patented Sing Core. No pocket door core material is as lightweight, Eco-friendly or high precision. You can stack many doors side by side inside your wall cavity packed very tightly with very little wiggle room, and you, your architect, millwork or pocket door manufacturer won’t have to worry about your doors staying straight and true.

7. Large Pocket Doors – Problem

The bigger the pocket door, the bigger the problems. Large pocket doors are the most problematic because they are big, they are heavy, and if they’re over 7 ft. tall and/or 3.5 ft. wide they will be heavier, meaning more expensive hardware that could be many times the cost of the door, increased maintenance due to even more stress on the pocket door frame as well as the structure. What about the warping? Large pocket doors are just asking for trouble, because building one out of standard building materials is a little better than building it out of fresh spaghetti.

7. Large Pocket Doors – Solution

The bigger they are the brighter Sing Core shines through. You can build a 34 ft. tall large pocket door that weighs about 10 percent of its solid predecessor and will not warp, bend, twist of otherwise fail. Your large pocket door can be made of any flat building material in any size and can be guaranteed for 10 full years of faithful service. That’s why the biggest door manufacturers in the world use nothing but Sing Core in their large oversized doors.