Georgia-Pacific’s DensDeck Roof Boards can be used in myriad roofing systems for new and re-roof applications as cover boards, overlayments and underlayments. Its fiberglass mats enable the board to withstand delamination, deterioration, warping and jobsite damage. Other qualities include fire resistance, strength, moisture resistance and dimensional stability.

1-800-225-6119; www.densdeck.com