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The Highest Grade MDF in the Industry

Medium-density fibreboard (MDF) is a popular material, especially because it can be precision sanded and remain very smooth which is an excellent surface area to treat, paint, or apply other materials, anything from vinyl and Masonite® to natural wood grain and metals. The upside to this material is wide open, while the downside presents a challenge.

The biggest problem with MDF is that it is not very stable or strong. The phrase we hear commonly is, “we love it, but it warps like…” (add expletive).

Patented Sing Core and our warp-free technologies enable us to provide millworks and artisans with a high end MDF surfaced material which is lightweight, high strength, and extremely dimensionally stable. Now, you, too, can have the highest grade MDF in the industry to use in your most important high precision projects without risk of failure.

This technology moves the smooth surfaced material which can easily be high precision sanded to a whole new level!

That’s why you find this revolutionary newly invented patented and patent pending warp-free technology atop the tallest building in the United States of America.

Now you can have a warp-free large MDF panel which our clients use to apply almost any laminate surface because it is so smooth, and you can even apply natural wood grain, and it can still be guaranteed not to warp, bend, twist or otherwise fail for 50 years.

Sing Core is the secret weapon used by the top millworks, large furniture designers, and the biggest and best door companies, to keep their MDF straight and true.

It is not uncommon to find Sing’s patented MDF-solution inside the most prestigious locations around the world and from beneath the sea (US Navy) to outer space (NASA) and everywhere in between.

large pocket door panel perfect straight

In fact, this is the business arena where patented sing Core shines: If you have a problem keeping it straight, inventor Peter Sing’s core and his True Flat Team can provide you with a rock solid hybrid composite core covered heel to toe in MDF which can be guaranteed warp-free for 50 years.

No other Eco-friendly lightweight material can achieve such feats.

Here is a photo of the inventor standing on a 13 ft span of his core suspended between two sawhorses.

You can see even at only one inch thick there is very little deflection.

And if that weren’t enough, here’s two people standing on a 20 ft span.

Even though Sing’s patented insulation reinforced vertical grain torsion box core is often compared to honeycomb core materials, it’s plain to see that no other lightweight honeycomb core material can compare.

Whether Sing’s core is used as substrate inside panels, posts, and beams, or as warp-free door core, you will find architects, designers, and engineers empowered by having access to the most revolutionary building material which is changing the way things are made.

You will find the most famous door companies in the world entering the field of large custom door making, which they would not have even considered prior to the invention of Sing Core. Why? Because everyone knows that once a door exceeds 7 ft tall and/or three and a half feet wide, you’re looking for problems, for which now there is a solution.

That solution is Sing Core MDF, the highest grade MDF in the industry today.


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Never Seen Before Metal Doors


SingCore is proud of the extensive variety that we can provide to our customers. Although our core is a wood and foam construction, the panels we make can be skinned with almost any material on the market, including metals such as:

  • Cold rolled steel
  • Hot rolled steel
  • Aluminum
  • Copper
  • Galvanized
  • And many more!

Breaking New Ground with our Clients

As an exclusively unfinished panel provider, we rely on the skill and ingenuity of our clients to build our raw material in to the amazing and ground breaking work that we have become accustomed to. Our friends at Torneby Construction have been graceful enough to provide us with photos of their completed work.

This standard size cold-rolled steel panel was finished using a metal patina for a rusted / copper like look.

Although this is much smaller than the typical size panel that we provide, there is no reason why our high end panels can’t be used for much more typically sized doors and other architectural uses.

Hot rolled steel metal doors

Benefits of SingCore Metal Doors

SingCore metal doors have various qualities that cause them to stand out among the competition. For a layman, even just operating the door will be enough to feel the difference in quality and construction. Benefits include:

  • Extremely light weight compared other metal and wood doors
  • Stronger than steel by weight
  • Thermal and sound insulation integral to the panel
  • Guaranteed  structurally for 50 years!

Trade Up and Kiss Your All Metal Doors Goodbye

Our patented and patent pending core material is truly the most advanced, and yet terrifyingly simple, door core on the market. This material is the key to our success, and the reason why we can offer doors from 7′ tall to 30’+ tall, no questions asked.

When you switch to SingCore, you make no compromises in strength or durability. Hit our panels with a hammer, and you will feel the same recoil and report as if the whole thing were solid steel. Yet you get far less weight and far greater usability from our panels.

Oversize Metal Sliding Door

Breaking All Expectations

Here at SingCore, every day is extraordinary. We seek to explode beyond the pale of the imagination and reach new depths where ever possible.

That is why our products never stick with what is known and expected. Every piece of SingCore’s patented material you buy from us is an individual work of art, custom made to fit your project and blow apart your expectations for large / oversize metal doors.

Our mantra is to never leave well enough alone. We constantly push the boundaries on our metal door products to the extreme!

Use Sing Core in Your Next Project

SingCore is exceedingly easy to specify, source, and use in your next project. All we need to know is panel number, length, width, thickness, and skin material. We make everything to fit custom and to almost any size. We ship directly to your site or millwork. Submit a price quote request today, and see how SingCore can support your project!


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Why Our Slats Will Make You Sing!

Amazing Slat Wall System Better than Any OtherSingCore slatwall stands straight and tall above the competition. Our panels have both the qualities of relative lightness yet unmatched durability.

When are looking for a slatwall that you can use again and again, look no further than our patented, lightweight modular panel system.


How much does slatwall cost?

Our slatwall panels are not the cheapest on the market, what you spend on the initial investment, you will make up with long term commitment and durability. One you choose our slats, you will never need to go to another provider.

Pricing is by size. Check out our modular trade show system and our pre-built trade show booths for more information on the system that meets your needs.

Every trade show and slatwall system we sell is inter-changable, infinitely upgradeable, and better than you though was possible.

How much weight can slatwall hold?

A properly built slat wall can hold 100s of pounds.

SingCore slatwall is made of our patented core material. This material has seen use throughout the building industry as structural material in very large doors, walls,  and other architectural uses. Thus, you can rest assured that your slatwall is built just the same as real walls using in top 10+ million dollar homes and bastions of industry.

Super High Strength Light Weight Slat Wall Panels

Is all slatwall the same?

No. Our slat wall is far superior to that used by the competition. While we are not the cheapest wall on the market, we like to think of ourselves as the best.

Have you tried suspending a grown man, of obese stature, over an 8′ span with one of the competitions’ slatwalls? While I don’t recommend it, I do recommend trying it with one of our panels. With an overall strength measured at the equivalent of steel (600PSI) our panels routinely support tones of weight with ease.

What is slatwall made of?

Our slat wall is a core of wooden grids (a vertical grain torsion box), filled in by dense foam and covered by either paint grade plywood or finish grade formica (plastic) sheets. This patented core construction converges on the optimum of both strength, durability, lightness, and environmentally friendliness.

In order to connect the slats wall segments to other segments, or to make walls with corners and doors, we include standard in all our slats high strength industrial camlocks. These locks means you can securely join the walls with just two twists of a driver, yet guarantee that the panels are joined securely to withstand 100s of pounds of force.

How much does a 4×8 sheet of slatwall weigh?

Our standard 4′ wide slatwall segment weights about 72 pounds.

How do you cut slatwall?

Don’t bother cutting your panels, we will do the cutting for you. Every panel we make is built custom to order, so we can make you panels of any size or shape that you request.

However, if you do find yourself in a pinch, and need to cut a panel down to size, our core material is made of soft materials that can be cut with any wood working tool. Be aware that some of our larger panels do have aluminum inside, but the aluminum can be cut with any standard wood working blade.

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Oversize Walnut Wood Veneer Sliding Door

9′ Tall, 8′ wide, super light walnut veneer door panel

At SingCore, we know that doors should come at any size with any skin finish that you desire. For this reason we make doors custom to order, based on your exact needs and wants.

This oversize walnut skinned sliding door, for example, push the edge of extremity for a typical door manufacturer. But, is well within our wheelhouse when it comes to the exacting standards of SingCore oversized architectural door panels.

Our doors are:

  • Light weight (up to three times lighter than wooden doors)
  • Stronger than steel (pound for pound)
  • Perfectly straight (guaranteed to meet or exceed AWI standards for 50 years or more)
  • Eco-friendly (heavy reliance on renewable resources)
  • Custom designed (inside and outside made to meet your exact specifications)

Walnut Door Slab

Our specialty is to produce unfinished (raw wood) slab door panels for use by millworks, contractors, architect firms, designers, and other builders in projects with demanding specifications. We provide slab panels that without any particular ornamentation or hardware, which leaves you free to apply the design of your choice to the surface, or keep the modern sleek look of slab doors.

We do provide the following services with our slab doors:

  • Light openings for glass, man doors, or other ornamentation
  • Solid wood or veneer “edge banding”
  • Interior solid wood blocking (soft or hardwood optional)
  • Trim and final dimensioning services (optional)

Perfect Flat Walnut Sliding Door Panel

Walnut Veneer Interior Doors

SingCore panels are designed to work as both interior and exterior doors without additional modification. Our panels come highly insulated with dense foam as part of the core construction. At either 3.5 R or >6 R per inch of core material, there is plenty of thermal insulation for exterior applications. Likewise, the foam provides exceptional sound dampening for indoor applications.

Walnut Front Door with Glass

When it comes to glass doors, french doors, and other amazing light opening panels, there is a reason we are called the “King” of the front door.

We can provide walnut front doors with glass of any size, shape, finish, or otherwise that you desire. Every panel we make is custom to you order and specifications.

All panels are provided raw, without finish applied, and without glass.

Prehung Walnut Doors

We do not provide prehung door panels, but our panels are ready for your installer, millwork, or contractor to finish and install hardware. The best part of our panels in their ability to fit in to any project and any style. There is no problem matching our panels to the rest of your door schedule, because they can be finished on site to match the other materials exactly.

Black Walnut Interior Doors

We provide door panels custom made with any finish. Wood veneer finishes include:

  • Walnut (Black Walnut, English Walnut, Northern California Walnut, Colombian Walnut, and more)
  • Redwood
  • Cedar (Western Red Cedar, Port Orford Cedar, and more)
  • Oak (White Oak, Red Oak, and more)
  • Fir
  • Mahogany/Teak
  • Maple
  • Cherry Wood
  • and more

If you are looking for a look, we have it.

Dark Walnut Front Door

Dark walnut front doors ooze style. We would be very happy to produce at front door of any dimension and look. All we need from you is the height, width, and door thickness. Then, let us handle the rest.

Dark Walnut Door

You may be surprised to hear that our doors are perfectly flat. But in fact they are and always will be. That is something that our company guarantees for 50 years.

When you go with dark walnut for you door, the expense of such an exclusive material means that you want to certain of. There is no reason why your door should warp or prove to be less than fully functional for the life of the building. That is why you need SingCore front and center of your construction.

Order Today

Submit for a free estimate for your next project today! Free consultation available to let us help you choose the best SingCore panel for your project.

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folding garage door

So, you may think that a bi-fold garage door is the right look for your dwelling. They have a classic look the reminisces of old times. Stables, country houses, and regal manor homes. This is exactly what Sing Core provides.

Bi-fold doors are defined by having two panels on each side of the opening, for a total of four panels. The outer panels are hinged to the wall, while the inner two are hinged to the outer panels themselves. This produces a compact operating door over wide spans. Some bifold doors will have tracks and/or wheels that support the inner panel during operation. While this may not always be necessary, doors that operate in this way are similar to accordion doors.

Residential Vertical Bifold Garage Doors

In the typical up scale residential home, wide garages are a must. But the drab old “overhead” style door is not the right fit for such a home. Enter, the vertical bifold garage door:

This door is a sleek alternative to the same old tune. Yet, it remains functional in compact, space sensitive designs. And, maintains the easy to operate functionality of the standard overhead design.

SingCore’s patented garage door panel technology is the key ingredient in such a design, where strength, lightness, perfect straight, noise and temperature insulation qualities are highly prized.

Residential Horizontal Bifold Garage Doors

The classic look, nothing beats the traditional craftsman style of horizontal folding bifold doors.

Yet, there is no reason to be stuck in old traditions when superior modern alternatives exist. SingCore’s panels are as much as 3 times lighter than tradition wooden doors, come with much superior insulation, and are guaranteed warp free for 50 years.

For that timeless look, combined with timeless durability — look no further than SingCore.

Folding Garage Door Hardware

For SingCore, hardware is no problem. Our light weight and perfectly straight construction takes the load of any hardware design that you choose. 2 hinge, 3 hinge, 4 hinge or more.

We block out internal supports exactly where you want the hardware to be. Then your crack hardware installation millwork, contractor, door installer, or other trade professional will do the rest of the work!

Bifold Garage Door Track

Bifold garage doors are the right track for the exceptional home that exceeds expectation. You may call a track for a bi-fold garage door an accordion door track. What ever track you take, make sure SingCore is on the bill.

No track is strong enough to take the beating of an exceptionally heavy door panel indefinitely. Or, prevent the warping of a wooden door. Our one of a kind building techniques avoid all these issues!

Compact Folding Garage Door

Folding garage doors can be a great asset to the human race, because they get “out of your way!”

Don’t you think that a folding garage door is in your future? Why go back when you can go forward?

Tri-Fold Garage Doors

There is no reason to stop at two, when you can have three or more of the very best panels in the industry. Our patented and patent pending door technology is uniquely suited for the stress of a tri-fold application via:

  • Immense strength (stronger than steel)
  • Profound straightness (straighter than AWI standards)
  • A lifetime of durability (50 years or more)
  • Any style, finish, or look!

Bifold Garage Door Price

The price of a set of a bi-fold, tri-fold, or any folding door panel can be most quickly and easily determined by clicking the orange button at the top of this page. And, submitting the details of your project to our crack estimating team.

Best of luck on your project!

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Large Doors

If there are any two words which easily define what Sing Core does, “large doors,” and there is no better large door in the world. Other words which are part of the Sing Core culture are “lightweight,” “high strength,” and “Eco-friendly.”

Why are large doors the main commodity of Sing Core?

Because oversized doors, if they are over seven feet tall and/or three and a half feet wide present a number of problems inherit to the limitations of available door building materials, most importantly if you are attempting to build large wooden doors.

Large oversized doors will move according to changes in the environment. This is the nature of natural wood grain, which as beautiful as it can be, will move or warp. Warping large doors is the number one reason the world’s biggest door manufacturers seek to engineer and specify Sing Core inside their large doors.

Large Exterior Doors

Large exterior doors (or just plain old exterior doors for that matter) are more prone to warp than interior doors because one side faces a temperature controlled (to some degree) environment, while the other side can be 100% exposed to the weather. This is the perfect recipe for ending up with warping large doors.

These large residential doors can include large feature doors, modern front doors, large pivot doors, and steel front doors, which are among the top few large door requests which are encountered by Sing Core every day.

People do not want to compromise with the primal focal point of their home. The front door is the first point of engagement when someone approaches your home, and for some, making an impact with visiting guests is important to those who are specifying “Sing Core inside,” their doors.

Among other styles of big doors are patio doors, also often big doors which, like large front doors, are subject to warp due to changes according to surrounding elements.

Large Wooden Commercial Doors

Then there are large wooden commercial doors which are problematic when bridging the gap between the creative genius of the contemporary architect and designer on one side and the abilities to create and install such a door by the door manufacturer and contractor on the other.

Frequently we are seeing large sliding glass doors appear more often in drawing boards which feature a wood frame, not unlike large French doors that host a large glass cut out for viewing the expansive outdoors. We are building these large sliding panel doors with big glass cutouts for all kinds of commercial door applications both in interiors and exteriors.

It is not uncommon for us to see large commercial doors, wither with glass or just solid wood surfaces, which span large openings or for separating one or more large open areas, thereby subdividing a large room into several smaller rooms until the large wooden commercial doors are fully opened to expose the entire area of the expanse.

Large Industrial Doors

Large industrial doors can come in any size and covered with any exterior surface material based on the design recommendations of the architects and engineers working on the project. If the project includes a very large door, the True Flat Team works in concert with engineers and architects to produce an Eco-friendly door which is high precision (Sing Core sports +/- .006 tolerances) can be lightweight, stronger than steel, and guaranteed not to warp, bend, twist, or otherwise fail for 50 years.

50 Year Warp-free Guarantee

You read that right. Inventor and CEO Peter Sing is so confident about his patented and patent-pending counter-warp materials that he stakes his reputation on it.

His insulated reinforced torsion box hybrid core is so rigid, he says anything built with it will last for centuries, but he guarantees it for 50 years.

Gone are the days when inexpensive products fill our landfills and contaminate the environment. As more and more products are built with Sing Core inside, they could virtually last forever, and individual components could be repurposed into something new.

So whether you are in search of large pocket doors, large sliding closet doors, a large garage door, or large hangar door, you and your clientele would be best served by making certain your large doors are specified with Sing Core inside, especially for your large, expansive doors and window projects.

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San Francisco Museum of Modern Art

We at Sing Core are so fortunate to support the arts by providing museums and galleries with the best Eco-friendly museum displays and art display materials in the world which are capable of protecting sensitive works art.

Sensitive love storage bays, large art cabinets, and display materials with Sing Core inside are carefully constructed of low volatile organic compounds (VOC) yet have the most unique design characteristics which are not limited in size or scope.

One such project included 10 ft tall cabinets which are for storing sensitive items in the San Francisco Museum of Modern Art (SFMOMA), located at 151 3rd St, San Francisco, CA 94103, supporting the arts in all aspects from storage to visual presentation.

If you visit the SFMOMA, you might enjoy visiting Jeff Koon’s $58.4 million balloon dog on display.

Due to the lightweight and high strength of Sing museum wall panels, entire display spaces can be reconfigured easily to control traffic flow for special projects or travelling displays, which are designed to be used over and over again without risk of compromising the visual impact of perfectly straight lines.

Only with the invention of patented Sing Core can museum walls be so easily assembled, disassembled, transported, stored, even reconfigured live in between showings.

And size? Size is no problem, anything from 10 ft tall warp-free love VOC cabinet doors to 40 ft tall sliding elephant doors. No project is too large for Sing Core which specializes in making the impossible possible without compromising the art, environment, or sustainability over time.

Art is precious and should be protected by the only building material which is made to last centuries and can be guaranteed to remain perfectly straight and warp-free for 50 years of faithful service without fail.

That’s why you find Sing Core in the finest historic foundations and art preservation foundations from coast to coast Sing Core is like the transcontinental railway which linked the coasts of America with its varying cultures and lifestyles by bridging the building material gap while preserving the most precious treasures from around the world.

And having access to this patented art and museum material does not have to challenge the budget of your nonprofit organization. Inventor Peter Sing has been known to partner with architects, designers, and artists to help support the preservation of the arts.

Museums and art galleries want a system that is guaranteed to be long lasting, portable, reusable, and easily assembled. Sing Core museum panels provide just that, with the added benefits of being lightweight and eco-friendly.

A two-man team can quickly and easily assemble your Sing museum exhibit in just a couple of minutes. When you are ready to take down this exhibit, the cam-lock system makes our panels easy to disassemble and store flat until you are ready to reuse them. There is no need for complicated hardware to store, catalog, sort, or maintain your Sing Core panels.

American made Sing free-standing museum walls are perfect for executing high-end exhibit displays are elegant, yet lightweight, stronger than steel, and Eco-friendlier than the competition. Our walls require little construction and can be assembled without a large crew. Additionally, our walls can be custom created to be any size according to your and are available in any material.

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SingCore Designer Executive Tables Suit Every Occasion

Why Executive Suite Tables?

Over years of research and development, SingCore has found that one of the great areas lacking in choices is high end tables that serve all of the necessary functions at affordable prices.  High end executive style tables are always sold at an enormous premium, yet many of them are substandard in quality, often using inferior materials like HPL and melamine for the surface.  Worse yet, their methods of applying the veneer are prone to delamination and damage.  That’s why SingCore has set out to solve all of the problems with executive style tables with our new line of Designer Executive Tables that come in sizes and styles to suit all of your needs.

The SingCore Philophy

With over 20 years of research and development under his belt, Master Inventor, Peter Sing has put all of our products through rigorous testing to determine the absolute best materials possible for manufacturing, high end custom doors of all types and sizes, log homes, tiny houses, walls, floors, ceilings, roofs, Sing Post and Beam, all kinds of furniture, and now Designer Executive Tables.  Our materials ensure products that are not only incredibly strong, but also some of the lightest weight, most versatile, most visually appealing on the market.  Yet our products are forever evolving and improving.  Also, we are constantly finding new uses for our products.

The SingCore Advantage

SingCore has become a leader in the door industry by using the best materials and the best designs on the market to date.  Our doors are incredibly strong, tested in UW laboratories to withstand over 660 PSI.  Because of the rigorous use required for large sliding, pivot, and pocket doors, SingCore has engineered the most structurally stable material on the market, our patented and patent pending SingCore core.  Doors must be extremely light in weight, because heavy doors can wreak havoc on your hardware and your door jambs and framing around your doors.  Because of this, we have been able manufacture tables that are lighter than pretty much any other table on the market of a comparable size.

The detail on our Sing Panels are incomparable.  Here at SingCore, we believe it is important to pay attention to the finer details.  When you order a SingCore table, you can be sure that you’re getting a table made to the standards of the most expert craftsman.  This you receive a perfect table.

What Can Sing Designer Executive Tables do for You?

No other tables are like Sing Designer Executive Tables.  In terms of performance, price, light weight, versatility, style, and design, there’s nothing else on the market like Sing Core products.  We have ventured into the table market, because we know we have the best products out there.  When your friends and family, visitors, business associates, and customers see that you are the proud owner of a Sing Designer Executive Table, you will find it easier to get along with people, more visitors will find their way into your home or office.  You will become more persuasive in your business dealings.  Customers will buy more products.  That’s why buying our tables are far more valuable than just a number on a price tag.  Our furniture pays for itself more quickly than you can imagine!


The Sing Executive Board Room Conference Table

Feast your eyes on the beast!  The Sing Executive Board Room Conference Table, the most prestigious table on the market!  Win negotiations.  Ace your business presentations.  Rule over your board meetings.  Accelerate your company profits quicker than Ed Hardy on the blacktop.  All of this and more are possible with this table.  The vast expanse of our Executive Conference table allows you the space and the latitude to do it.


For this amazing specimen, we started with a huge base of our architectural grade Sing Professional Panels, next we applied a beautiful white oak wood stave to the face and back.  Then, we applied a beautiful walnut edge banding and made the stylish legs out of walnut.  We finished the door with several coats of the best quality varnish on the market to create a door that was not only durable and functional, but stronger and lighter than any comparable table on the market.  Our secret formula for success brings you tables that are in a class of their own.  Even better, the price is lower than any other table with similar features and quality.

Customized to Meet Your Every Need

Here at SingCore, we use many different  types of wood and materials.  We can make you a table with a premium hardwood skin, like Walnut, Oak, Mahogany, Alder, or Cedar.  We can make you an aluminum or hot or cold rolled steel skin table.  We can also make you an HPL or other type of table.  We can also match your edge banding to the skin on your table or vary the edge banding to give you a stylistic flair.  We can make make you table with nearly any skin.  It’s as easy as telling us what you want!

There are so many options to choose from!  Some of our customers even like to collect one of every kind!


The SingCore Commitment to Domestic Production

Our tables have so many qualities that it seems like we might just be grasping at straws at this point, but the benefits don’t stop there.  At SingCore, we are proud to announce that all of our products are 100% right here in the USA.  We also use locally sourced materials.  Many companies order most of their parts from foreign countries and assemble them in USA, yet they call their products American made.  We manufacture everything right here in sunny McCleary, WA.  McCleary is becoming one of the most in demand rural areas in Washington State.  SingCore has made McCleary to furniture what Silicone Valley is to software engineering.  Our philosophy is to help the local economy and contribute to the US economy.

The SingCore Guarantee

No other panel products come with a 50 Year Guarantee.  Our panels are among the strongest, most versatile panels in the world.  SingCore Professional Panels are guaranteed against skewing, twisting, cracking, breaking, and delamination.  No other panel can offer you such a robust guarantee.  Our panels are made to last a lifetime.  Contact us to find out which products are covered by our Signature 50 Year Guarantee!

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Wood Sliding Door

Sing Core’s revolutionary wood sliding door is unlike any other wood sliding door in the world with features and benefits unmatched by any other Eco-friendly lightweight, high strength door available anywhere at any price.

Sing wood sliding door products are the backbone of the high-end door manufacturing highly guarded secret of the biggest and best wood sliding door manufacturers in the world.

Inventor Peter Sing empowers any ordinary sliding door company to make extraordinary sliding wood doors which can be of enormous size and guaranteed to remain warp-free, including uncompromising structural strength for 50 years. No other company can do that, unless your wooden sliding door has Sing’s secret ingredients inside.

Mr. Sing’s True Flat Team at his Sing Core factory tucked away in the serenity of the plush Pacific Northwest in Washington State, utilizes varying formulations of his patented and patent-pending technologies to produce these one of a kind warp-free wooden sliding door products.

While many of the doors which feature Sing’s “Sing Core” inside their doors are the homes, establishments, and industrial sites of the most elite individuals in the United States and the world, Mr. Sing would like to see every interior sliding door, from closet sliding door to sliding carriage and barn doors featuring his core material in every home.

Then everyone could enjoy wood sliding doors built to last centuries and guaranteed not to warp, bend, twist, cup, or otherwise fail for 50 years, which also provide these amazing benefits:

  1. Eco-friendly

  2. Lightweight

  3. High Strength

  4. Dimensionally Stable

  5. Impact Resistant

  6. Fully Insulated, for

    1. Sound Isolation

    2. Climate Control

  7. Feature Any Wood Species (subject to availability)

  8. Available in Any Style

  9. Any Size (up to 40 ft., or more)

  10. 50-year Warp-free Guarantee

10×12 ft 3″ thick warp-free 1/8″ oak 520 lbs

Due to Sing’s doors being so lightweight, think of the cost savings over the life of your wood sliding door in wooden sliding doors door hardware over time. The initial cost of hardware is based on the weight of the door, the greater the weight of the sliding door, the more expensive the hardware is. Sometimes the sliding door hardware can be more expensive than the sliding door, itself.

Heavy wood sliding doors will present regular maintenance costs over time, as the weight of the door under normal usage conditions will cause the hardware to beak down, requiring service or replacement. These heavy doors also exert stress on the structure over the course of normal operation which leads to other structural maintenance costs over time.

If your wood sliding door has Sing Core inside, the weight of the door will be very light, saving you money on lighter weight-rated sliding door hardware. Plus, regular operation of the Eco-friendly, lightweight and high strength door does not wreak havoc on the structure, which means very little maintenance over time, if any, which greatly reduces the average cost of wood sliding doors overall.

The most modern sliding patio doors and modern sliding barn doors have Sing Core inside as contemporary architects and designers let their creative juices flow thanks to Sing’s invention of Sing Core.

These are often considered among the best wood sliding doors and by far the best-performing gliding patio door as Sing’s invention makes child’s play of the challenges associated with a wood sliding door with one side 100% exposed to the weather (which usually creates many problems for door manufacturers in the field following installation).

If you, or your client, demands the highest degree of stylish sliding doors which can continue to be proud of and can be guaranteed for 50 years of worry-free enjoyment without fail?

Shouldn’t your wood sliding doors (at least the most special ones) have Sing Core inside?

How can you get the best wood sliding door in the world?

Surprisingly, you cannot get a door from Sing Core. Inventor Peter Sing says,

“We do not make doors.”

Which is a little confusing because he does provide the best sliding door manufacturers in the world, as well as custom door makers, and millworks, with his patented core systems to enable them to create these enormously famous one of a kind doors. See our new C Series line of Affordable Barn Door and Sliding Closet Doors.

So, all you have to do is to contact you favorite door manufacturer, custom door builder, or millwork, and tell them you want “Sing Core inside,” your door.

Then you, too can have one of the world’s best doors for a better world.