Apa Rated Sheathing 40 20 Exposure 1

Discover the advanced building solutions and high-performance construction materials LP has been delivering to the industry for over 50 years. U When sheathing thicker than 1532 is used under fiber glass-type shingles shingle underlayment is not required for a UL Class A.

Rated Sheathing 19 32 In Apa Southern Yellow Pine Syp Rated Sheathing Softwood Plywood Plywood Company Texas

FOR FIRE-RATED PREPARED ROOFING u UL classified underlayment is required under Class A fire-resistant shingles when plywood or non-veneer OSB WB etc APA sheathing is at least 38 thick but less than 1532.

Apa Trademark Apa The Engineered Wood Association

Smartcore Rated Sheathing Premium Plywood Royomartin

1 2 In X 4 Ft X 8 Ft Hi Bor Apa Rated Sheathing Pressure Treated Plywood 95358