Description:
G.A.P. ASTM 30 D226 Type 2 is an underlayment product that is manufactured from superior quality organic felt that is saturated with asphalt .
It is a Florida Building Code Approved product
FL # 2894.5; Miami Dade Approved: Yes

Documents:
Product Data Sheet

Product Use:
G.A.P. ASTM 30 D226 is an underlayment that is applied over the roofing deck before installation of asphalt shingles.

Material Performance: