Product Specification — GAF, Wood Deck Base Sheet Installation

Deck Type 1: Wood, Non-gabled Deck Description: 9" or greater Plywood or wood plank decks System Type & ID#: Base sheet mechanically fastened. All General and System Limitations shall apply. Base Sheet: GAF/UL AS 890 (TearDri Base Sheet, STAPLE AS 870/875 Minimum fastened Nailbase, 1-Ply/100# or RUBBERDRI 100# Base Sheet, 25 lbs/sq. min. mechanically fastened to deck or insulation board. Fastening Options: GAF/UL AS 890 Ply 90 (GAF/UL AS 870/875 Base Sheet or GAF/UL AS 890 Base Sheet) shall be fastened to deck with approved mechanical fasteners in two rows and two rows at a maximum spacing of 9" o.c. at the edge. GAF/UL AS 890 Base Sheet (GAF/UL AS 870/875) GAF/UL AS 870/875 Base Sheet - 45 lbs./Sq. min. (GAF/UL AS 870/875 Base Sheet or GAF/UL AS 890 Base Sheet) shall be fastened to deck with 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The...... GAF/UL AS 870/875 Base Sheet - 45 lbs./Sq. min. (GAF/UL AS 870/875 Base Sheet or GAF/UL AS 890 Base Sheet) shall be fastened to deck with approved mechanical fasteners in two rows and two rows at a maximum spacing of 9" o.c. at the edge. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The 20mm (3/4") 2" Side Lap. The ......