Products / DynaClad AP All Purpose Roofing Underlayment
DynaClad AP All Purpose Roofing Underlayment
DynaClad AP is a lightweight synthetic roofing underlayment made of a woven UV-stabilized polypropylene scrim coated on both sides with a textured anti-slip surface. The technical data sheet lists an 8 mil thickness, a grey color, 3.6 oz per square yard, and 48 inch by 250 foot rolls of 10 squares. It prints test results to ASTM D5034, D5035, D2261, D4533, D3786, E96, D146 and D1970, a Class A fire resistance rating to ASTM E108, conformance to CAN/CSA A220.1, and evaluation under ICC-ES AC188. The sheet states it is covered under the DynaClad Metal Roofing System Limited Warranty.
Manufacturer
Material
Product line
DynaClad
Thickness
8 milStandards met
ASTM E108ASTM D1970CAN/CSA A220.1ICC-ES AC188
Status
active
Spec sheet
Related
Related guides
Sources
- dmimetals.com verified 2026-10-15
- dmimetals.com verified 2026-10-15