
Sing Core – Building Custom Door Panels that are lightweight, high-precision, and Guaranteed Warp-Free.
Trusted by the leading Architects, Millworks, and Industries.
SEE: Why Architects Spec Sing Core.
SEE: Why Millworks Choose Sing Core.
And, SEE: Why Contractors Work with Sing Core.
*** ARCHITECTS ***


Millworks

Door Co.


Construction.


Government.


Commercial/Industrial.
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We build the industry’s best Custom Door Panels.
Learn how Brandner Design engineered 10′ tall bi-folding steel doors. Learn more about their ten foot steel accordion doors.
Sing Core’s patented custom door panels.

Sing Panels utilize patented Structural Core technology, which is sandwiched between two skins (wood, aluminum, or any other material that can bear weight).
This creates a torsion box, which allows our panel to be stronger, lighter, and truly flat with no warpage.
Get an Estimate for Custom Door Panels TODAY!
Ready to build something impressive? CLICK HERE, and get an estimate for your next door.

1/3 the Weight of Traditional Wood
30 ft. Sing wood pivot doors and Sing post and beams weighing 50% to 87% less than wood; exported and hoisted by crane atop one of the tallest buildings in Bangkok, Thailand. Proudly Eco-friendly, Made in the USA, exported worldwide.

Lightweight and High Strength Custom Door Panels
Sing Core’s 30 ft. large wood pivot doors are lightweight to be easily handled on the job site with less risk of injury, and less expensive to ship, even in a container overseas. University of Washington independently tested Sing Core panels at over 660 PSI.
50 year warp-free guarantee Custom Door Panels
Traditional doors warp; our panels don’t. We stand behind our lightweight, high-strength panels with the only 50 year-warp-free guarantee for our professional grade panels.
Insulated and sound deadening Custom Door Panels
Our patented Sing Core panels prevent separation of the foam and the skin, which provides insulation value and sound deadening qualities. R-values that range between 3.5 and 6.5 depending on the type of foam used. For sound, customize your door to reach the highest STC rating.
Recreate any material with Custom Door Panels
Any substrate (skin) that is capable of carrying a load can be used as a skin with our patented Structural Core. We challenge you to find a lighter, stronger panel than our Cold Rolled Steel Composite Panels.
Environmentally-friendly
We use non-toxic glue for bonding skins. The structural material of Sing Core is made of 100% renewable material with vertical grain wood fibers.
Made in the USA
All our materials are sourced from the USA. We’re proud to have our products entirely manufactured at our mill near in Washington. We deliver anywhere.

Make a grand entrance with Sing Core French Doors—beautiful, lightweight, and engineered to stay straight and true. Discover custom French doors built for oversized openings without the traditional weight. – See more Sing Core French Doors at https://www.singcore.com/applications/doors/styles-of-doors/french-door

Take your designs beyond straight lines with custom curved Sing Core panels. Lightweight, strong, and built to shape bold architectural ideas into reality. – See more Sing Core curved panels at https://www.singcore.com/doors/singcore-legendary-curved-door

Create a door like no other with Sing Core. From one-of-a-kind designs to extraordinary sizes and finishes, we bring unique custom doors to life. – See more at https://www.singcore.com/design/architects
We build all kinds of Custom Door Panels
If you’re in the market for a French Door, check out our work HERE.









