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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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From the Best Log Homes to the Best Doors

You might like to know how Sing Core, well-known for the most efficient, Eco-friendly and sustainable log homes in the world became such a big deal in the door industry, especially for large, oversized doors. Starting in the log home market, Sing Core has been used in many applications besides doors, such as floors. raised floors or stage floors, ceilings, wallsroom dividers, tiny house, museum, trade show displaysfurniture, fine cabinetry, tables, and desks, etc.

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

Sing Core’s Sing Log Homes are highly regarded as the best log homes in the world due to the patented technology of Sing Core as applied to traditional wood logs resulting in the only insulated logs which would not warp, twist or crack; nothing short of revolutionary in a market that was constantly challenged by Mother Nature throughout the entire build and life of the log home structure.

 

Google search for Sing Log Homes and see for yourself.

It all started with the decline of the log home industry, in combination with the request of several patented Sing Log Home builders insisting that their large doors also be made with insulated Sing Core. At about the same time, people started inquiring about the possibility of using patented Sing Core without the log configuration, and the Sing Panel was born.

The main attention-grabbing draw of the Sing Panel was the best of two worlds; patented vertical grain torsion box/rigid recycled foam composite sandwiched between two stress skins with formaldehyde-free adhesive. Institutions, like NASA and branches of the United States military and research labs across America quickly took notice and started researching Sing Panels for a wide variety of applications.

The resulting Sing Panels were lightweight, extremely strong and had tremendous shear strength and resistance to deflection, something that almost challenged the law of physics in building materials. Sing Panels were independently tested in university laboratories and rated at 660 PSI and up (compare that to the 10-to-110 PSI of other honeycomb materials used in aerospace industry), depending on the configuration.

Now, large doors, extremely large doors (up to 50 ft. or more) could be made using this new patented building material… and no one knew how valuable a resource this would be to the entire door industry.

Before long, more and more people were realizing that doors made with Sing Core inside were out-performing AWI standards for door warp over and over again, setting a new standard for warp resistance.

5o-year Warp-free Guarantee

Based on a combination of independent research, scientific method, field studies, the introduction of a new stiffener technology (patent pending), and experience, Sing Core was able to deliver doors with the highest degree of precision and performance backed by an unheard of 50 year guarantee, which states:

Sing Core guarantees certified professional doors of any size not to warp, bend, twist, cup, or otherwise fail – including full structure warranty – for 50 years.

Of course, in order to be professionally certified, the True Flat Team at Sing Core must be involved with the design of the door and the door will only be guaranteed for the use for which is was built for because different applications require different approaches to assure their 50-year performance.

Widely renowned as the best way to build the best large doors in the world, it is not uncommon for people to think that Sing Core builds doors. This is not true.

Sing Core does not make doors

Sing Core does not make doors, yet the best large doors in the world are made with Sing Core inside.

While Sing Core does not make doors, we do supply the best ready-to-build architectural door materials which are shipped directly from our factory to the millworks, door companies, and custom door manufacturers who add the finishing touches to the Sing door blanks.

The resulting Sing Doors are the culmination of a team effort from the architect, designer, engineer, millwork, fine craftsmen, and Sing Core’s True Flat Team. It is only due to their combined efforts that Sing Core looks and performs so well when it is enjoyed by the end user.

The part patented Sing Core plays in the door industry is similar to jet engine manufacturers in the aerospace industry. Jet engine manufacturers do not build their own aircraft, likewise, Sing Core does not build pivot doors, we only supply the warp-free substrate used by pivot door manufacturers to build lightweight, high-precision doors that do not warp.

Latest in Pivot Door Technology

The latest area of expertise where Sing Core shines through among the door industry is in the area of pivot doors. Pivot doors are unlike regular hinged doors in that they are traditionally larger, thicker and heavier than other types of door. Plus, they only have two points of contact for anchoring, unlike a hinge door. (Hinge doors can help to minimize warp to some degree by adding additional hinges or hardware to help keep the door straight.) Not so, with pivot doors.

We do provide lightweight, high strength and warp-free components to build the best pivot doors. Click to See How this Works

We want to help you expand your high end pivot door business, like this 38.5 million dollar estate.

Our stock items are warp free with structure guaranteed 4×8’, 3” thick pivot door blanks for $499 each ($2500.00 value).

Our latest foray into the world of pivot doors has been wildly successful, which also allows us to have access to the latest in pivot door technology, such as the new FritsJurgens hidden pivot door hardware.

See: Breaking News: Concealed Pivot Door Hardware

Large Sliding Doors

Our growth in pivot doors is growing to meet the volume of large sliding doors that we provide to an industry where keeping the door straight and true is also of great importance. For what good is a sliding door, if it is warped and unable to slide?

This can be particularly problematic when dealing with bypass sliding doors or pocket doors.

In any case, if keeping your doors straight and true is of primary importance in your project, there is only one way to build a door which can be guaranteed not to warp, bend, twist or cup for 50 years… and that’s to have,

“Sing Core Inside.”

Sing Core panels have been used as sliding door core, hinge door core, and French door core with guaranteed non-warp and full structure warranty for 50 years. You, too, can have the best guarantee serving the door manufacturing industry.