A selection of CertainTeed’s duct products can be found in the company’s latest product selection guide. The 35-page book is filled with images, specifications, demonstrations and descriptions of its various product offerings, which include spiral duct liner, duct board, blanket insulation and more.

 CertainTeed Corp
P.O. Box 860
Valley Forge, PA 19482
Phone: (800) 233-8990
www.certainteed.com