About The Inventor, Peter Sing

Sing Honeycomb Product Detail

Carriage Doors

Sing Carriage Doors

Carriage Doors - We make the best door core in the United States. It is the lightest, strongest, flattest, most insulated.  Please watch the video of a 12 foot carriage door being made on our video page CLick Here. We can even make 16 ft doors perfectly flat and straight. Our 16ft panels can stand freely on their edge