Single sheet is one piece of paper that can be either single sided or double sided and a double sided one is 2 pages (just like a book or magazine etc). There can also be foldout pages with in an ad or brochure.
Perma-Column LLC
Perma Form - Pre-fabricated insulated concrete form walls
Brochures provide a deeper understanding of Perma-Column®
Perma Form - Pre-fabricated insulated concrete form walls
Perma-Column LLC
Perma Form - Pre-fabricated insulated concrete form walls
PermaBASE® Building Products
Concrete Forming Concrete Form Tubes, Liners, Stakes - Page 2
Perma-Column LLC
Equipment Sales