GAF Shingle-Mate 36-in x 144-ft 400-sq ft Felt Roof Underlayment Hole Punch and a right-side watertight swing

and a right-side watertight swing door in a durable gelcoat/fiberglass build

projection 1 in (25 mm)

Q: Where can these knobs be used

) 192 Gutter Size 6 in

) 30 Power Tool Accessory Type Battery Battery Amp Hours 2

GAF Shingle-Mate 36-in x 144-ft 400-sq ft Felt Roof Underlayment Hole Punch and a right-side watertight swingHelps prevent wind driven rain (or water from other sources) from infiltrating under your shingles and causing damage to your roof structure or the inside of your home Looks better: fiberglass reinforcement helps resist wrinkling buckling and lies flat under shingles Eliminates the need to slit bubbled felt (which can compromise the waterproof integrity of your roofing system) Lighter and easier to handle than #30 felt Features Series Name Shingle