The top doors in America are installed in the top floor of the tallest building in the United States, located at One World Trade Center, New York. These 16 ft tall 3 ft wide 2.25-inch thick warp-free door panels are among the only Eco-friendly lightweight, high strength, insulated doors made in the USA that can be guaranteed not to warp, bend, twist, cup or otherwise fail for 50 years.

Top floor of One World Trade Center has "Sing Core inside."

Top floor of One World Trade Center has “Sing Core inside.”

If you’re one of the top contractors in America, when you’re called on to deliver the best tall doors to the top of the World Trade Center, you want to make sure you’re not embarrassed when your sleek white oak doors fail due to warping.

When your reputation depends on it, you need the backing of a professional company that can deliver the goods and have your back, and there’s only one company in the United States that builds large doors which can be guaranteed for 50 years.

The most exclusive architects in the world specify “Sing Core inside” their doors when nothing less than the very best will do, and you want your customer to be on the top of the world.

Let’s take a tour of these revolutionary doors from the factory to the top floor of World Trade Center One…

Photos taken from the edge of the panel show the perfectly straight quality. The panel shows glue on the edge, because the customer requested untrimmed ends.

2.25” thickness. Due to the patented and patent pending SingCore technology, this 15.5 foot long, 3 foot wide, 2.25 inch thick pivot door is straight as an arrow, better than AWI standards.

Many Ways to Build It

Depending on your budget, you have a number of different options when you opt to go with Sing Core.

  • You can order substrate only and apply your own soft wood or hard wood veneer (economy option)
  • You can supply your own veneer for us to apply
  • You can choose solid wood edge banding
  • You can choose our highest end selection, where we provide the veneer and apply it in nearly any soft wood or hard wood, such as, Mahogany, Walnut, Maple, White Oak, Alder, Cedar, Hemlock, Fir.

How to Build the Perfect 16 ft. x 3 ft. High Precision Warp-free White Oak Door

You start with patented and patent-pending Sing Core inside sandwiched between American-made A/B plywood with solid oak around all four edges.

After pressing, trim the edges, then add another 1” x 2.25” solid oak to the edges. Sand it to perfection then hot-press 16th-inch white oak veneer, then all you can see is solid white oak. Beautiful.

The result is a perfectly flat lightweight white oak door that is stronger than steel pound-for-pound, weighing in at a mere 220 lbs.

Ask us if you have any questions.

 Other Skin Options:

In our economy class products, we offer soft wood and hard wood plywood skins.  We also offer MDO, MDF, Formica, Masonite, and many other skins.  Click here for more information.

In our highest end price point, we offer full on wood stave skin doors, made with the highest quality hard and soft wood 1/8″ 
real hardwood stave skin.  Click here to see some of the most beautiful doors in the world.