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Door Exterior

Applications -> Building Components -> Doors -> Exterior Doors

It’s so easy to use Sing Panels to make beautiful doors of any size. All Sing Door Panels are the same price, $8 per board foot.  Sing Door Panels have a ten year warranty for internal use. For external use, we offer marine grade plywood. If you need strength, lightweight, insulation, and true flatness, Sing has the answer!

torsion box, sandwich panel, honeycomb panel, lightweight panel

Patented Sing Core: We put a torsion box in the SIP panel to make it better. The other names for our panels include sandwich panel, honeycomb panel and lightweight panel.


How to Buy


Sing Door Panels are easy to order.  You may choose from our stock panels or order custom sized panels. Our price is based on the length, width, thickness, and quantity. Submit a Work Order by fax or email, and we will give you a quote within one business day.

How to Build

Carriage Doors

Sliding/Pocket Doors

Sliding Glass Doors & French Doors








Available in tough weather resistant skins like aluminum, stainless steel, fiberglass and marine grade plywood, Sing exterior doors last in even the toughest of environments.

Keep your house warm with sing doors available with an EPS or Urethane core.

EPS is our standard core that offers an R-value of 3.5 per inch of thickness and for those harsh environments the

R-value doubles using our Urethane core offering a

6.5 R-value per inch of thickness.

Sing Beauty

 Wood skins that are like no other. Sing also offers and wide variety of natural wood skins to give that timeless look of beauty and precision craftsmanship.

Sing exterior door panels are built to last. Using our honeycomb technology, they hold up to the great test of time.

Based out of the Northwest and using the area as a testing ground, our doors can stand up to the harshest of elements.