GAF Materials Corporation Leak Barriers

The GAF Weather Stopper® System starts with protecting against leaks and moisture that could damaged your roof deck. GAF Weatherwatch® and Stromguard® protect your roofs most vulnerable areas such as: eaves, rakes, valleys, chimneys, skylights and also ice dams.


GAF Weatherwatch®
Granular Surfaced Leak Barrier
1.5 Square Roll
Roll Length
50 ft
Roll Width
36 in
Square feet per roll
150 sq ft



2 Square Roll
Roll Length
66.7 ft
Roll Width
36 in
Square feet per roll
200 sq ft



GAF Stormguard®
Film-Surfaced Leak Barrier
2 Square Roll
Roll Length 66.8 ft
Roll Width 36 in
Square feet per roll 200 sq ft




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