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Wooden Sliding Door

Introducing the next generation of warp-free wooden sliding door with Sing Core inside. A genuine hybrid of old world and new space-age technologies melded together to create a uniquely new type of wooden sliding door which is changing the way a door, especially a large wooden sliding door is made.

Your wood sliding door could have all the attributes of wood sliding door products which are pre-configured and manufactured with Sing Core inside which yields the result of producing the best sliding wood doors possessing the following characteristics:

 Eco-friendly Wooden Sliding Door
 Lightweight Wooden Sliding Door
 High Strength Wooden Sliding Door
 Fully Insulated Wooden Sliding Door
 Warp-free Wooden Sliding Door
 Sustainable Wooden Sliding Door

This is the only way to build an Eco-friendly wooden sliding door of any size which is lightweight, yet stronger than steel pound-for-pound, which is fully insulated for sound deadening and climate control. When you build a wooden sliding door with Sing Core inside you can have the only sustainable wooden sliding door in the world that can be

Guaranteed True Flat for 50 Years

Let there be no mistake, this is the only way to build an interior sliding door, closet sliding door, barn door, exterior slider door, or any other type of large wooden sliding doors which can have the best door guarantee in the world, thanks to inventor Peter Sing’s patented and patent pending warp-free core technology for 50-year guarantees for sliding wood doors.

Until the invention of Sing Core, wooden sliding doors and barn doors were notorious for presenting problems for architects, designers, engineers, custom door manufacturers, installers, and door maintenance contractors due to warping following installation.

Why Is My Wooden Sliding Door Warping?

Unfortunately, this is the nature of natural wood grain. Left to itself it will move as it adjusts to the environmental conditions which surround it. Especially frustrating, are sliding patio doors, and external wooden sliding doors which have one side of the door exposed one hundred percent to the weather.

This is a certain recipe for wooden sliding door disaster because a warped wooden sliding door can be potentially useless if it warps to the degree that it may not be easily slid back and forth, and in cases when such a sliding wooden door requires a degree of security, may not be able to be closed, latched, or locked.

That’s why contemporary architects and designers are increasingly specifying “Sing Core inside” their wooden sliding door designs as the premiere solution to for all your potential wooden sliding door problems.

Nobody intentionally specifies or installs barn doors, sliding closet doors, or sliding carriage doors with the intent of having them fail, require regular heavy maintenance, or sliding door repair. Pre-engineering your sliding doors with Sing Core inside ensures you have the best, most cost effective and sustainable sliding door system available in the world today.

Modern Sliding Patio Doors

The most comprehensive modern sliding patio doors with the highest precision featured in the most expensive homes, commercial, and industrial locations around the world are guaranteed to be warp-free for 50 years because they know there is no other way to manufacture such a sliding patio door.

Modern Sliding Barn Doors

Modern sliding barn doors are the most unique of all wooden sliding door designs as they are increasingly featured in modern interior designs and decorative treatments without compromising functionality or longevity.

Your wooden barn door can have all the benefits of having Sing Core inside your sliding barn doors by contacting your favorite door company, millwork, or custom door manufacturer who knows how to make a sliding barn door that can be guaranteed to remain warp-free for 50 years.

Now you, too, can have the best sliding wooden door system in the world.

See: Affordable Barn Door and Sliding Closet Doors

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Affordable Barn Door and Sliding Closet Doors

Sing Core’s latest expansion following the acquisition of a new factory has resulted in a new line of affordable barn door and sliding closet doors at huge direct from the factory savings for you.

This new C Class division only produces quantities of sliding doors of specific size for retail markets. At present, these standard sized sliding doors are not available directly to the public because they ship in the same unfinished condition as all sliding doors which ship from the factory.

Sing Core only ships to high end custom sliding door builders, millworks, and sliding door companies who are qualified to finish and hang the completed lightweight sliding doors with Sing Core inside.

The advantage of our new, Class C Sliding Door Division is that they are tasked with only building a limited number of standard-sized sliding doors, while our Class S Division only builds custom sliding doors. Class C sliding doors are only available in MDF, which may have an unfinished wood look (like the oak shown above) or standard paint grade. This results in a cost savings of more than 75% per door, and we pass those production savings on to you.

Standard Class C Sliding Door Prices

 

Size of Sliding Door

Avg. Sliding Door Cost

48 x 84 * $550.64
42 x 84 * $481.81
36 x 84 $412.98
38 x 84 $435.92
42 x 80 * $458.87
36 x 80 $393.32
36 x 96 $471.98
42 x 96 * $550.64

* = double sliding door

All Class C sliding doors are only available as 1 3/8-inch-thick pivot doors, and only in the sizes listed above. At 1 3/8 inches thick, this is the best way to get the best barn door price for the best barn doors in the world.

Be aware that our C Series 48×84, 42×84, 42×80, and 42×96 are double sliding doors are commonly used as sliding closet doors, but you can also hang two barn doors side-by-side as double sliding barn doors which is becoming more commonplace in contemporary architecture design as the growth in interior sliding barn doors continues to expand.

You can find interior barn doors with Sing Core inside wherever you find barn doors for sale and you have your choice of a primed white barn door or a completely modern barn door with MDF and the look of natural wood (like the white oak example shown above).

Sliding doors with Sing Core inside are the only affordable barn door and sliding closet doors which can be guaranteed to remain warp-free for 50 years.
Thanks to our current expansion, you can have affordable barn doors which greatly reduces your overall cost of sliding doors throughout your project in our most popular sliding door sizes, such as 48 inch barn door, 8 ft barn door, and 42×84 barn door ($481.81).

And if you’re looking for a 36 barn door, our C Series 36 x 96 barn door ($471.98), fits the bill nicely without the expense of our 36 inch barn door which is much more expensive if custom built as an 8 foot barn door in our S Series line.

This is the most cost-effective way to utilize inexpensive doors with Sing Core inside to replace boring old school hinge doors.

Note price does not include finishing, hardware, pre-hanging, frame, installation, shipping or crate. There are no quantity discounts, but the more you order at one time, the more you save on shipping and crate costs per order.

See Standard Sliding Door Widths, and for our large custom sliding door clientele, see our Sing Core Sliding Doors.

Standard 3-0 x 7-0 Door Specs

 

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Large Sliding Door

Sing Core introduces the problem-solving warp-free large sliding door systems to custom fit any opening, up to 40 feet wide or more, that are fully insulated for sound dampening and climate control, lightweight, and stronger than steel pound for pound.

Sing non-warping large sliding doors, create large exterior openings that provide superior weather performance when closed due to the high precision manufacturing process featuring insulation values to meet or exceed your architectural door specifications.

This unique patented and patent-pending large sliding door technology allows door designers, architects, and highly specialized door engineers to create large sliding doors of enormous size with the highest performance standards, each of these unique large sliding panels, providing additional strength and protection to any space from industrial and commercial to utility and residential applications.

 

It might not be uncommon for you to be looking directly at a product with Sing Core inside when you are in the presence of large sliding mirror wall panels. Large sliding mirrors could be extremely dangerous if they are not attached to a wall’s surface area. Free-hanging large mirrors creates many challenges. That’s why the best large mirror sliding door has Sing Core inside, with its “unbreakable mirror” technology.

Among the high-profile museums and art galleries, entire sliding art walls are also examples of Sing Core’s best of show, which are basically the same as our interior sliding doors, specifically designed for displaying art in the most elegant ways.

You may also find Sing Core inside uniquely fashioned large patio doors, which can limit the view when closed, or have large window openings, such as French doors, and can be one large sliding door, or multiple sliding doors when used as multi-slide patio doors.

Large door openings are made for Sing American French doors or large sliding doors guaranteed to insulate any interior space from and exterior conditions with specially designed swinging doors and French doors, each one an individual work of art, proudly made in the USA.

The Sing Core factory is nestled inside its remote location in the scenic Pacific Northwest where all the magic happens and inventor Peter Sing works in tandem with the largest door companies in the world to create one-of-a-kind doors that can be guaranteed not to warp, bend, twist, or otherwise fail for 50 years.

50-year Warp-free Guarantee

There is only one way to build a warp-free door. So, if you have an Eco-friendly lightweight long, large sliding door installed in your doorway opening which is stronger than steel and has a 50-year warp-free guarantee, you can bet it has Sing Core inside.

No matter whether you’re looking for the perfect large feature doors or large factory doors, you know that you can depend on Peter sing’s invention(s) to have the best large sliding door solutions for all your aviation, commercial, industrial, agricultural metal building system needs.

Sing’s reinforced insulated torsion box core has revolutionized traditional sliding door technology, which can be applied to any functional door application from large opening folding door systems to sliding doors for large façades.

Eliminate heavy regular maintenance of your large format interior or exterior sliding door systems by applying the most innovative solutions by Sing’s True Flat Team, who help create larger sliding doors than were fiscally unapproachable before.

New possibilities abound when you no longer have to worry about having to deal with all the challenges that are associated with large heavy door, when you can create lightweight high strength doors in any shape, style, or size with Sing Core inside.

And how easy is it for you to get this new generation of large sliding door?

Just go to your favorite custom large sliding door company and tell them what you want, the height, width, and thickness, as well as the exterior surface material you would like to see on your door, and if you want one of the best doors in the world, make sure you tell them, “I want Sing Core inside.”

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Large Sliding Doors in Stable Renovation

Take a look at what our friends over at SHED Architecture did when they combined Eco-friendly insulated lightweight high strength patented Sing Core with a horse stable repurpose transforming the site into an elegant workspace studio and extra bedroom thanks to a few large sliding barn doors with Sing Core inside.

BEFORE

AFTER

 

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Sliding Door Improvements in Mfg. Technology

Since you were last quoted we have made many improvements in production. These improvements have allowed us to customize our panels to work precisely within your target budget. See our new C Series line of Affordable Barn Door and Sliding Closet Doors.

Recently, we have added our substrate only sliding door panels to our line of products, which could reduce your costs significantly. Customers love this option, because it allows them to apply their own skins, even glass or murals, veneer, wood staves, varnish, or primer and paint for a beautiful finish.

We also provide additional skin options and veneer application, for an additional price. Our process of applying veneer is so advanced, there is no seam. It looks as good as like solid wood!

[Click here to see how we do it!]

Any company can make a door, but very few door manufacturers in the world can produce large sliding doors as strong, lightweight, and straight as ours. All our sliding doors are built to exceed AWI standards. They are made in the USA, sourced with materials from America. No other door manufacturer can offer you a 50 Year Warp-free Guarantee.

Our True Flat Team is standing by to help you with any issue you might have with your doors. Please give us a call to find out how we can help you with your doors from start to finish!

Doors Made to Match Your Budget

Meeting your budget is all about picking the right features and options to bring your project in line with your allocated finances. Give us a call with any budget concerns. We help you come up with a solution to make sure the project comes in within your budget. Give our True Flat Team a try. You have nothing to lose!

Virtually Any Sliding Door Size

We have developed the technology to produce doors upwards of 50 feet wide that exceed AWI standards. They are exceptionally straight, resistant to warping, and completely dimensionally stable. They even come with our signature 50 Year Warp-free Guarantee.

-Stronger
-More dimensionally stable
-More precise
-Available in more sizes
-Have more available features
-100% warp-free
-Resistant to cracking, breaking
-Available with more skin options

We can apply any skin, including hot rolled and cold rolled steel, aluminum, anodized aluminum, mahogany, oak, walnut, white oak, alder, pine, fir, hemlock, copper, bronze, brass, formica, fiberglass. SingCore is here to help you apply exactly the right skin for your job.


The SingCore Process

Ordering from SingCore is simple. Just click the orange “Pricing” button in the upper right hand corner of the page. Fill in your information. Click submit. You’re done. Simple as that! Someone will get back to you with a price quote within 48 hours.

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New Revolutionary Door Technology by Sing Core

We offer our services to support door manufacturers in building stronger, lightweight, high precision and warp-free (AWI warp standard) insulated doors using our patented and patent pending Sing Door Blanks and Sing Stile and Rail frames.

Sing Core’s specialty is assisting to create incredibly large and extremely wide door panels which door manufacturers can utilize to build the most challenging high-end doors.

Large Quantity Production Runs

We can also assist in the high-quantity production runs for doors using our facility to pre-build base doors which might otherwise create a bottleneck for common door manufacturers. We love taking over the assembly line bulk of your large door orders with rapid turnaround times.

You choose your method of building your Sing Core door blanks:

1. Sing Door Core Panel

You specify the length, the width, and thickness of your Sing door blank, built to your specifications. You determine the insulation value and skin material, and we do the rest. The Sing door core panel method is the strongest and best Eco-friendly insulated door solution for any sized door, even large oversized wooden doors, available in almost any style.

Click Thumbnail to View Photos

2. Stile and Rail Door Frame

For our customers and their clients who prefer the standard design of stile and rail doors, we provide the manufacture of a stile and rail formatted frame made of any combination of Sing panel, post and beam configurations to create the most sustainable stile and rail doors, which are finished by only the best millworks and custom door manufacturers. Sing Core provides the most significant improvement to stile and rail technology (besides automation) in the last 100 years to create the strongest, lightweight, most high-precision, and warp-free performance in the history of the door industry.

Doors of Almost Any Style Could be Made with Sing Core Inside

1. Pivot Doors

Pivot doors are the highest and best use of Sing Core because for the most part, pivot doors are quite large in size and are often much thicker than a standard door. If your intention is to feature a real wood finish, you know you’re going to be in trouble, that’s when the warp-free attributes of patented Sing Core shines through as the only way to build a large wood door which can be guaranteed to offer warp-free performance over time: 50 years, guaranteed, on professional grade doors.

2. Sliding Doors / Pocket Doors

Sliding Doors often present problems when they are very large due to their sensitivity and tendency to move, bend, or cup in response to changes in the environment, for which Sing Core is the perfect solution.

Large bypass sliding doors are likely to deface, scar, or otherwise damage themselves if they are not kept straight and true by being built with Sing Core inside in advance of bypass door failure.

Pocket doors, which are the most problematic of all sliding doors, because they hide within a cavity are highly benefited from being built with Sing Core inside. If warped, the finish of the door may be compromised as it brushes against the frame or cavity’s interior, and if it cups or bends too far, may become lodged either inside or outside of the pocket unable to open and close as a door. Sing Core keeps them straight and true.

3. Hinged Doors

Hinged doors are for the most part manageable even when facing a certain degree of warp, which is normal in normal sized doors. Problems arise when doors are very large, especially if over 7 ft. tall or 3.5 ft. wide. Any movement or change in the door’s being compromised is increased exponentially in relation to the dimensions of the door. Not a problem with Sing Core’s professional door blanks.

Diverse types of hinged doors, such as French doors, sliding folding doors, front entry doors, and carriage doors (among other types of hinged doors), all present varying challenges when migrating from the drawing board to the real world, and Sing Core makes the difference.

Door Sizes

While Eco-friendly insulated Sing door blanks could be used in doors of any size, the efficacy is maximized in door performance in any door over 7 ft. tall and 3.5 ft. wide. This is why you find Sing Core inside the largest doors in high-end homes, businesses, and industrial sites, because it’s the only way to build a large door which can remain straight and true, regardless of the size of the door, while still remaining lightweight.

Door Shapes

Since every door slab manufactured by Sing Core is likened unto a one-of-a-kind piece of art, architects and designers are free to create a door of any size and shape using any available flat building material.

Sing door slabs can be created to accommodate any shaped design in any thickness, and so it goes for any shaped light cutout for glass openings.

Skin Options

Sing door slabs are available in almost any skin you want, limited only by flatness (surface material must be flat), ability to be laminated, and availability.

Some examples include, paint grade plywood, aluminum, brass, cement board, cold rolled steel, concrete, diamond plate steel, fiberglass, FRP, galvanized steel, glass, hot rolled steel, LVL, Masonite, stainless steel, any wood species including exotic species, and many more.

Our most common specialty includes the cold pressing of solid wood stave to our patented and patent pending core material, resulting in natural wood doors that can be guaranteed to remain warp-free for 50 years. Unheard of in the wood working industries. We also supply high end millworks with hot-press-ready warp-free substrates to apply their skins to.

Light Openings

Available in any size and any shape, based on your drawing(s).

STC-rated Sound Doors

We assist in the creation of sound reducing or sound proof doors which can be STC-rated at our local world-renowned pro sound testing lab. Some typical composite configurations include combinations of steel, sheetrock, MDF, and other materials to achieve the sound proof results to meet your specifications.

Fire Proof Doors

We build fire proof doors to your specs and can have them rated at the fire-rating facilities selected by our fire proof door clients.

And that’s just scratching the surface…

Imagine all the possibilities… Click Here for More

Don’t Get Stuck with a Fake Sing Door

Does Your Door Have Sing Core Inside?

If your door has Sing Core inside it can come with a full 50-year warp-free guarantee. No other door can be guaranteed like that, unless it has Sing Core inside.

It is rare, but there have been occasions when a door has warped, when someone thought it had Sing Core inside, but it did not.

For instance, last year, an architect in Florida specified a large wooden door with Sing Core inside. The contractor contacted Sing Core and received an initial price quote.

Nine months later, we received a call from the architect who had been contacted by the building department that reported that a large wooden door with Sing Core inside had warped.

We searched our records and could not find any record of the job. We did discover the initial price quote request from the contractor who must have found a different way to make the large door.

Your large door with Sing Core inside comes with a certificate of authenticity and guarantee.

Be forewarned, if your large wooden door doesn’t have Sing Core inside, you can expect it to warp.

Make sure your large doors have Sing Core inside.

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Internal Sliding Doors

What’s the latest news in sliding doors in the door industry? Internal sliding doors with Sing Core inside are being specified by architects more and more in their sustainable housing and commercial designs. See our new C Series line of Affordable Barn Door and Sliding Closet Doors.

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

 

Long the solution for exterior sliding doors due to their Eco-friendly, long lasting solution for warp-free lightweight yet high strength as sliding doors which are exposed to weather conditions, sometimes, even the most severe weather conditions. For years, architects and designers have sought out the characteristics that only Sing Core can provide for high precision and superior performance over a long life of the architectural exterior sliding door.

As architects became more and more accustomed to specifying Sing Core in their door specs, they started to develop a taste for specifying large internal sliding doors also. Large internal sliding doors, especially if they are wooden sliding doors, are going to fail due to warp if they exceed a height of 7 ft. tall sliding doors.

Then as the trend to specify Sing Core in internal sliding doors continued to grow, something began to shift. In high end homes, commercial and industrial applications, architects were also specifying sing Core for standard sized internal sliding doors. As this trend continues, the question is,

Why Spec Sing Internal Sliding Doors?

That’s the question, right? And you might be surprised about the answer, because Sign Core is the obvious solution to exterior or large oversized sliding door which have the tendency to warp, bend, twist, or fail structurally not long after installation. It’s the only way to build a lightweight wood exterior sliding door exposed to the elements which can be guaranteed not to suffer from door warping for 50 years. So, that explains exterior sliding doors and large sliding doors, but regular-sized internal sliding doors?

Well, it turns out that inherit deep within the patented Sing Core composite sliding door core, which is a solid composite material made of vertical grain wood torsion box core which is fully insulated with rigid insulation inside. The result? A lightweight, super strong internal sliding door that is insulated and possesses the additional attributes of being able to control climate (an advantage of using Sign Core inside external sliding doors) and also imbuing the door with sound deadening qualities, a useful and highly sought after feature in upscale projects.

Sliding Door Hardware

Due to the lighter weight of the internal sliding doors, there is a great savings in terms of the sliding door hardware. Both in the cost of the hardware due to handling the lighter weight sliding door, but additionally in the installation of the hardware and maintenance over time, as the lightweight sliding internal doors cause less stress and strain on the hardware and structure with regular use over time.

Pocket Door

One of the best uses of internal sliding doors with Sing Core inside is in the pocket door application. Pocket doors are the most important in terms of remaining straight and true because while a sliding door is far more forgiving, warped sliding pocket doors are become destructive to both the pocket door and the pocket which houses it, any further warping renders the sliding pocket door useless.

Pocket Door Hardware

Just as in the savings in sliding door hardware, pocket door hardware associated with sliding pocket doors featuring Sing Core inside is far less expensive to purchase at the outset and reduces the cost of pocket door installation, as well as requiring less long-term maintenance. Not that cost is always of the most importance in the most high end applications, but it means you can use those funds elsewhere in your project without affecting the overall budget.

Internal Sliding Door of Any Type

Whether architecturally specified at the beginning of the project, or as the most predominant use of internal sliding doors with Sing Core inside in replacement doors, your Sing architectural sliding doors are custom built to architectural specifications. They can be made of any available flat building material in any style of door. That is to say, all custom professional grade Sing sliding internal doors are one-of-a-kind warp-free pieces of art that can be guaranteed to remain warp-free (including full structure warranty) for 50 years.

50 Year Guaranteed Internal Sliding Doors

If you want the best sliding internal doors, then there is only one way to have slider doors of any size, type, style, made of any desired (and available) materials that have Sing Core inside imbuing them with the unique characteristics of being sustainable, Eco-friendly, built to last for centuries and can be guaranteed not to warp, bend, twist or otherwise fail for 50 years, guaranteed.

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Wooden Sliding Doors

Wooden sliding doors are the most sought out sliding doors in the marketplace today. Increasingly, among contemporary architecture design the latest designs feature not only wooden sliding doors, but wooden sliding doors that are larger in size. Even though these large wooden sliding doors are highly sought after, the nature of the natural wood in wooden sliding doors does present some challenges.

 

Wooden Sliding Door Problems

Wood is Beautiful but Unstable

While we all appreciate the natural beauty of wood, the fact remains that this material comes from a living tree and naturally adorned with grain that is unique to each variety of tree giving it the elegant design feature of natural wood grain. The nature of the wood grain when we are so drawn to is also the most problematic feature when trying to create a sliding door which can remain straight enough to function properly. Natural wood grain, while it appears to be elegant in every way, moves as if the tree were still alive. In the sliding door industry sliding door manufacturers and those servicing sliding door accounts, there are specific words used to describe the conditions of wooden sliding doors when they fail, such as warp, bend, twist and cup.

Allowable Wooden Sliding Door Warp

Due to the nature of wood to warp, the AWI standard allowable warp for a door up to seven feet tall is a quarter of an inch of warp. ¼ inch warp in a 7 ft. door is considered a straight door. For wooden sliding doors over 7 ft. there is no limit to acceptable warp due to the nature of natural wood and its tendency to move subject to changes in the environmental conditions on either side of the door. The most problematic wooden sliding doors are exterior sliding doors because one side faces indoors, while the other side faces the elements. Interior doors have fewer problems with sliding door warp, but if they are over 7 ft. tall, will continue to present problems with sliding door warp.

Wooden Sliding Doors Are Heavy in Weight

The weight of natural wood is another issue to take into consideration when entertaining the idea of including a large wooden sliding door in your project’s design. Heavy wooden sliding doors will create added expenses very early on in the inclusion process, such as the added cost of shipping and handling. Moving the door from point A to point B will incur expenses based on the wooden sliding door’s weight. After the heavy sliding door arrives on the job site, installers must manhandle the door, and use heavy equipment to help maneuver the door on site. Additionally, a heavy wooden sliding door will require heavy duty sliding door hardware, which may cost many times more than the wooden sliding door itself.

Warp-free walnut wooden sliding door

Warp-free walnut wooden sliding door

Wooden Sliding Doors Have No Insulation

Large wood sliding doors vibrate, like a speaker, transferring sound from one side of the door to the other, which may not be a problem if your location is in the remote wilderness. Besides sound transfer, loss of energy is significant as wood is unable to maintain climate separation from one side of the door from the other, which is also many times more problematic for exterior sliding doors or doors separating two spaces that may have separate activities occurring on either side (such as office, meeting or recreational spaces).

Wooden Sliding Door Solutions

Warp Free Wooden Sliding Doors

The true flat team at Sing Core has a proven track record of providing warp-free sliding door solutions of any size (up to 50 ft.) based on its patented reinforced torsion box composite core and patent pending stiffener and straightening technology that enable them to make the only large sliding doors that can be guaranteed not to warp, bend twist or otherwise fail (including full structure warranty) for 50 years.

Wooden sliding doors with Sing Core inside are the most dimensionally stable Eco-friendly lightweight and high strength (660 PSI, stronger than steel pound for pound) sliding doors made in the United States of America.

Lightweight Wooden Sliding Doors

Thanks to the Sing wooden sliding door solution, wooden sliding doors can be made lightweight without compromising strength. Hollow core doors are lightweight but are relatively useless and insecure but better than leaving the doorway empty. A lightweight door does not have to be weak, thanks to patented Sing technology that enables door manufactures to create a lightweight door that is stronger than any other known door core material, and weighs a fraction of the weight of any other solid core wood-based material.

Insulated Wooden Sliding Doors

The patented Sing Core wooden sliding door solution creates a one-of-a-kind sliding door that is as unique as your thumbprint. Every Sing wooden sliding door is an individual work of art, specially designed and built to meet or exceed architectural specifications, regardless of size or applications. One of the unique attributes of the patented Sing torsion box core is that it is pre-insulated. The empty spaced of the torsion box voids are insulated which imbues the wooden sliding door with characteristics of an insulated sliding door that offers climate control R-vale and well as sound dampening.

Sing Wooden Sliding Door Styles

Your patented Sing wooden sliding door solution can be applied to any type or style of wooden sliding doors, including but not limited to the following sdoors made of any kind of natural wood or any available wood-based skin material:

Sliding Front Door Sliding French Doors Sliding Security Doors
Sliding Wardrobe Doors Sliding Barn Doors Sliding Double Doors
Sliding Patio Doors Internal Sliding Doors Automatic Sliding Doors
Sliding Room Dividers Sliding Barn Style Doors Sliding Interior Doors
Sliding Wall Systems Exterior Sliding Doors Sliding Doors Room Dividers
Barn Door Sliders Hangar Doors Sliding Pocket Doors
Sliding Folding Doors Hanging Sliding Doors Modern Sliding Doors
Sliding Patio Doors Kitchen Sliding Door Large Sliding Doors
Custom Sliding Doors Sliding Panel Doors Commercial Sliding Doors
Sliding Partition Doors Steel Sliding Doors Triple Sliding Door
Multi Slide Doors Concealed Sliding Doors Sliding Front Door
Sliding Back Doors Sliding Restaurant Doors Sliding Industrial Doors

Types of Warp-free Wooden Sliding Doors

These revolutionary warp-free wooden sliding doors can be made of different types of wood to make the strongest wooden sliding doors that can be guaranteed not to warp, bend, twist and remain structurally sound for 50 years. You can have the following warp-free wooden sliding doors with Sing Core inside:

Ash Wood Sliding Doors Beech Wood Sliding Doors Birch Wood Sliding Doors
Cedar Wood Sliding Doors Cherry Wood Sliding Doors Fir Wood Sliding Doors
Fruitwood Wood Sliding Doors Hard Rock Maple Sliding Doors Hemlock Wood Sliding Doors
Hickory Wood Sliding Doors Knotty Pine Wood Sliding Doors Mahogany Wood Sliding Doors
Maple Wood Sliding Doors Oak Wood Sliding Doors Pine Wood Sliding Doors
Port Orford Cedar Sliding Doors Red Cedar Wood Sliding Doors Red Oak Wood Sliding Doors
Rosewood Wood Sliding Doors Spruce Wood Sliding Doors Sugar Maple Wood Sliding Doors
Teak Wood Sliding Doors Walnut Wood Sliding Doors White Oak Wood Sliding Doors

… Just to name a few, as warp-free Sing wooden sliding doors can feature any wood surface, including rare, exotic wood(s) when available.

Patented Sing Core solid wood stave sliding door blanks feature the newest technology in the door industry for composite sliding doors yielding the only eco-friendly, lightweight, fully insulated, high-strength sliding doors with wood blanks of any size (up to 40 ft.) that can be guaranteed true flat and to stay flat for 50 years.

Large sliding door versus regular-size sliding door challenge (i.e., over 4 feet wide and over 8 feet in length):

Large sliding doors are heavy, dimensionally unstable, require more strength due to the heavy weight, and are a challenge to manufacture, ship and install.  High-end jobs require precision and true flatness to please the customer.  A homeowner’s architect, general contractor and mill worker must solve the problem of warped sliding doors.  The solution to the challenge is to use patented professional Sing door blanks to make your sliding doors.

Sing Core wood stave door blanks help door manufacturers to create the only solid wood sliding doors that will not warp, bend, twist or cup following installation.  This means no more continuous service calls for maintenance of big sliding doors that cannot possibly stay straight due to the limitations of solid wood – or any other sliding door core – that is subject to failure.  Sing sliding door blanks have a patented honeycomb/torsion box interior which gives lightweight yet unsurpassed strength (pound-per-pound stronger than steel) and stability to any door, and allows Sing Core to provide a 50-year guarantee

Interior Wooden Sliding Doors:

Sing sliding door blanks make amazing designer doors in any style.  With Sing sliding door core, fragile sliding doors such as French doors are made lightweight yet strong, not warping or breaking hinges, which will last for many decades.

Exterior Wooden Sliding Doors:

Sing sliding door blanks make sturdy exterior doors in any style.  With Sing sliding door core, exterior sliding doors are lightweight and strong, even when oversized.  Our professional wooden sliding doors are guaranteed to stay true flat and not warp or twist for 50 years

When is a door not a door? When it fails to function as a door.

The problem is that all sliding door core materials are either not high precision, too heavy or will move when exposed to moisture, humidity or change in temperature resulting in sliding door failure.

Heavy solid metal or steel will not warp, bend or twist, but is not high precision due to welding (sing core tolerance is + or –  .006 inch!) and is often impractical due to the overweight issues causing excess strain on both the hardware and structure, causing continued maintenance issues.  The solution is our patented lightweight yet strong Sing core wooden sliding door technology.

Finishing a wooden sliding door blank:

There are two types of finish for door blanks:  paint grade and wood grain.  Paint grade includes such finishes as domestic and marine plywood, etc.  Wood grain finish includes such finish as solid wood stave and/or thin veneer.

Why Use Solid Wood Instead of Veneer?

Never settle for substandard veneer sliding doors again. Door engineers prefer to use inexpensive veneer as opposed to real solid wood facings because veneer is thought to be less likely to warp, bend or twist.  But thanks to the super-strength of patented Sing Core technology, you can use solid wood stave and wood blanks with confidence knowing that your wooden sliding door can be guaranteed true flat and will stay flat.

How can a solid wood-faced sliding door stay true flat? As every woodworker knows, when using a solid wood surface, the grain will move according to moisture or temperature change causing the door to fail. When using our patented Sing Core as a substrate you can safely use solid wood because the patented solid torsion box composite material is continually keeping the wood grain straight and true.  Whereas wood stave has more wood fiber giving it more of a chance to warp than thin veneer due to the unbalance of the both side of the door moisture contents, patented Sing technology solves this problem by combining patent pending stiffening materials throughout our Sing core.  This warp-free Sing wooden sliding door technology eliminates the troublesome movement of the sliding door blank — warping is no longer a concern when wood stave is combined with reinforced patented Sing core.

In addition, solid wood is easy to work with, install (no need to hot press), repair and remodel.  That’s why professionals trust Sing Core’s years of expertise in helping to design the only wood stave sliding doors (that look just like solid wood sliding doors) that can stay straight and true for many decades while respectfully honoring the beauty and elegance of solid wood, which far outlasts easily-damaged veneers, yet can be sanded and repaired if necessary.

Celebrate your real wood!

Our Eco-friendly lightweight, high strength alternative is the best   solution for combating the issues associated with weight and size,   especially large doors.  Only our patented Sing torsion box/foam   composite core combined with our years of experience provides   guaranteed solutions for oversize sliding doors.

That’s why this technology is found everywhere, from beneath the sea   (US Navy) to outer space (NASA) and everywhere in-between.

Sing sliding door blanks may be made using almost any wood species, like   mahogany, redwood, teak wood, cherry wood, walnut wood, cedar   wood, Ipe wood, sapele wood, poplar wood, ebony wood, ash wood,   oak or any other hardwood or exotic wood types available.

This same wood sliding door blank composite technology is also a common solution for high-end projects like engineered hardwood flooring, shiplap, wood furniture, wood shelves, decking, shed doors or any other application demanding high precision and exemplary performance over time.

Domestic Wood Grain Plywood Sliding Doors

As an alternative to wood stave, domestic wood grain plywood could be used to create a nice wood grain surface, even for large sized wooden sliding door applications.

Note the seam is tight but visible when joining two pieces of domestic plywood together to create a large panel.

How is wood stave/veneer added to Sing panels?

Wood stave is added directly to the metal or wood skin of our patented Sing cores.  Wood veneer may be added to an 1/8-inch mdf attached to the metal skin.  Call us for a free consultation on the best option for your project.


How to vacuum-press (video) with Sing Core
 

Wooden Sliding Doors

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Large Sliding Doors

If you’re looking for the best in large sliding door design, you’ve come to the right place. Sing Core specializes in creating the ultimate sliding door experience. That’s why you see Sing large sliding doors everywhere on planet earth and beyond, from beneath the sea (US Navy) to outer space (NASA) and everywhere in between.

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

large-sliding-door

Sliding Doors

The deal with sliding doors is that you want your sliding doors to remain straight and true throughout their service life. Architects, designers and end users face the issues associated with the problems associated with sliding doors, such as,

Problems with Sliding Doors

The first problem with sliding doors is that they tend to move (warp, bend, twist or cup) compromising the doors’ performance. Especially in the case of sliding doors because they hang parallel to a wall (like sliding barn doors), another door (such as double sliding doors) or within a wall (like sliding pocket doors). If the door does not stay straight, it can wreck either the sliding doors or the surfaces they slide against, or both.

Heavy Sliding Doors

One way to deal with the problem of warping sliding doors is to build them using extremely heavy and warp resistant materials, such as steel, which introduces whole new set of problems, which will increase maintenance costs over the life of the door. Even though the heavy sliding door may not warp, it will require expensive heavy duty hardware (which can cost many times the price of the door itself) which can easily be compromised due to regular use, as well as the added stress of using a heavy door, will add stress and strain to the frame and structure, also requiring additional maintenance over time. Some architects and designers might consider using a lighter weight metal, such as,

Aluminum Sliding Doors

Of course, aluminum sliding doors make more sense; though contemplating the use of solid aluminum sliding doors will still introduce the problem of heavy weight. One way to manage the weight of the door is to use a honeycomb material, such as aluminum honeycomb, paper honeycomb or some other type of honeycomb material inside the otherwise hollow core sliding door. The only problem with that is that as you introduce a lightweight substrate, the door begins to warp again, especially if they are exterior sliding doors.

 

Wooden Sliding Doors

Ah, the elegance and beauty of natural wood. We love it and exotic wood grains can instantly garner the awe and attention of anyone spying a large sliding door made of wood. This is why many large sliding doors are wooden sliding doors. As magnificent and appealing as they are, wood is the worst culprit of all, because it can barely sit still for as long as you can. Due to wood’s natural characteristics, it is most prone to warp, bending, twisting and cupping, because even separated from the tree, it still fights for survival and the grain will either expand or contract due to the elements it is presented with. Exterior doors are the most problematic because one side faces the interior space, while the other side faces the elements outside, a perfect recipe for door warp.

Large Sliding Doors

The bane of perplexed custom sliding door manufacturers is the additional challenges with doors which are taller than 7 ft. tall and wider than 3.5 ft. Very few, if any, custom door manufacturers or millworks will even consider guaranteeing a door over seven feet tall. Why? Because they know it is going to fail, and they will be called upon to deal with it. In most cases, the job as a whole will have a warranty on the work done, with the exception of the large sliding doors which are normally noted as exceptions to any warranty that might cover the rest of the job. That is, unless you know the answer to the problems associate with large sliding doors.

Sliding Door Design Problems Solved

Architects and engineers are constantly perplexed with the problems associated with sliding doors, fortunately an Eco-friendly composite solution made in the USA, helps to solve the problems associated with faulty sliding door design. Patented Sing Core, along with their true flat door team, can help to create sliding doors that will remain straight and true far beyond the service life of any other sliding doors. By working with Sing Core’s design staff a combination of Sing Core and patent-pending sliding door stiffening solutions can create perfect sliding doors that are lightweight, high strength and can be guaranteed not to warp, bend, twist, cup or otherwise fail for 50 years.

The Perfect Large Sliding Doors

The best custom door manufacturers and millworks who offer long warranties on their large doors have a secret inside each one of their high end professional sliding doors: Sing Core inside. A properly designed and built large sliding door with patented professional Sing Core inside can be guaranteed not to warp, bend, twist or otherwise fail for 50 years. How do you know if you have the best large sliding doors in the world?

Image on the left is a modular large 8×10 door shipped in a pair of 4×10 components cam locked together on site for near seamless paint-ready perfection. Image on right is close-up of near-seamless connection.

It’s easy; just see if your sliding doors have the following Sing Core sliding door characteristics:

Eco-friendly
Lightweight
High-strength
High Precision
Fully Insulated
Warp-free
Sustainable Long Life
Made in the USA

When your sliding door company claims they are providing you with the best sliding doors possible, you can rest assured your large sliding doors will pass the perfect sliding door test by being manufactured using Eco-friendly Sing Core which uses less energy, renewable, sustainable and non-toxic ingredients to create its vertical grain torsion box composite core. Sing Core sliding door core is lightweight, weighing approximately 10% the weight of solid wood-based door cores. The high strength of Sing Core outperforms any other sliding door core material, independently tested to rate at least 660 PSI, which makes it stronger than steel pound for pound.

Other sliding door core materials do not create a high precision base due to product production inconsistencies or welding, while Sing Core is the most high precision at +/- .006 inch. Only perfect sliding doors manufactured with Sing Core inside can remain warp-free. Sing Core is fully insulated imbuing the best sliding doors with climate control (R rating) and sound deadening qualities (STC rating*) for greater safety and security. Professional Sing Core sliding doors can be guaranteed not to warp, bend, twist, cup or otherwise fail (including full structural warranty) for 50 years, assuring your large sliding doors sustainable long life, while being proudly made in the USA.

Yes, you read that right. The perfect large sliding doors are the only ones that have a

50 Year Guarantee

Now you know you have the perfect large sliding doors, if they have Sing Core inside.

Other Types of Sliding Doors

You can enjoy all the available types and styles of large sliding doors that can accommodate and size without compromising strength or weight, such as sliding French doors, patio sliding doors, mirror sliding doors, folding sliding doors, sliding pocket doors, double sliding doors and sliding folding doors, just to name a few.


Now that you know how to determine what are the best large sliding doors are supposed to be, you can get the perfect large sliding doors wherever you find custom sliding doors for sale and tell them you want all your doors to have, Sing Core inside.”

Sing Core and More

Patented Sing Core enables architects and designers to let their creative genius run wild by incorporating Sing Core in all their projects, not just for large sliding doors as Sing Core is also available in panels, posts and beams to enhance the capabilities of any large scale project which may encounter problems associated with strength and weight.


 

* 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.