Lightweight doors are the mainstay of Sing Core’s offerings, providing the highest precision lightweight door blanks to the biggest and best door companies, millworks, and custom door manufacturers in the world. But don’t let the light weight fool you as Sing Core is stronger than steel pound for pound, and doors with Sing Core inside come with a 50-year warp-free guarantee.
If you don’t already know, there’s a new way to build the best lightweight doors with the highest performance ratings in the industry using inventor Peter Sing’s patented and patent-pending technologies architects, door engineers, and door builders are able to create lightweight doors of enormous size which can be guaranteed to provide faithful fail-free service for 50 years.
How to Build a Lightweight Door
Since the late 1800’s experienced woodworkers have known the secret of building a wide, large flat wood surface was to use an interior torsion box which helped to resist the nature of wood grain to move according to changes in the environment. Torsion box was often incorporated into the designs of large spanning tabletops and very large doors. Even though the overall results were far better to build with torsion box than without it, these massive surfaces would move due to the natural wood surfaces.
A torsion box is a grid made of wood-framed boxes forming a flat grid inside of the large spanning exterior skins. This interior wood grid structure is time consuming to build, but effective in reducing the overall weight of the structure and resisting movement while increasing compression strength.
Technology presented less expensive honeycomb core alternatives to the original torsion box concept to as the answer to how to build a lightweight door quickly and inexpensively. Still, the standard honeycomb core boasts only a 10 to 110 PSI and has virtually little or no sheer strength.
Sing’s invention greatly improves on the tried and true benefits and design of torsion box substrates for building a lightweight door first by flipping the grain of the torsion box frame to perpendicular to the exterior skins. This minor tweak increased the strength of the torsion box (which used only horizontal oriented grain in the past) many times, but he wasn’t done, yet.
Then, Sing filled the voids of the torsion boxes wall to wall with rigid recycled foam insulation, creating a composite hybrid core that when sandwiched between two stress skins created a structurally sound solid hybrid composite panel which could span large areas unsupported.
This is the most effective way known how to build a lightweight door to date.
Sing’s invention has empowered architects and engineers to push the reaches of standard building materials by replacing traditional lumber or plywood with his Sing Panels. Nearly anything can be made with this new patented building material which has been independently tested to sport a minimum of 660 PSI and having the highest tolerances of any other building material (+/- .006 in.).
Sing’s factory provides the strongest lightweight door blanks for building the largest and strongest lightweight doors on or off the planet. That’s why you could find them anywhere from beneath the sea (U.S. Navy) to outer space (NASA) and everywhere in between.
Any Type of Lightweight Door
Sing’s True Flat Team can create door blanks for any type of door ever made, only the result will be lighter in weight and many times stronger than the door which preceded it. That’s why lightweight doors with Sing Core inside are growing in popularity as replacement doors in major projects and those requiring high performance and low maintenance for everything from historical renovations to leading edge scientific applications.
Imagine making any kind of door lightweight and extremely strong like,
Hot rolled steel doors
Stainless steel doors
Stile and rail doors
Cement & concrete doors
Cold rolled steel doors
Exterior front doors
Galvanized steel doors
Any Door Skin
The options available for the addition of a virtually unlimited vast variety of available doors skins from exotic natural wood grains to high-tech impervious synthetic surfaces, and you can now have any available type of metal door known to man, only have it as a lightweight metal door which is stronger than steel.
Insulated Lightweight Door
Another benefit of having Sing’s core inside your door, is that each door is fully insulated for sound deadening and climate quality characteristics, which you will not find in any other Eco-friendly lightweight door which sports such high strength and tolerances.
50-year Guaranteed Lightweight Door
These are the only doors in the world that come with a full 50-year guarantee. Your lightweight door with Sing Core inside is guaranteed not to warp, bend, twist, or otherwise fail for 50 years, including full structure and free from delamination.
If you agree with the biggest and best door manufacturers, you will be saying,
“There’s just no other way to do it,”
And you’d be right.
If you’d like to know more about Sing’s lightweight door panels, contact Sing Core.