Questions and Answers for GAF WeatherWatch 36 in. x 50 ft., 150 sq. ft. Mineral-Surfaced Peel and Stick Roof Leak Barrier Roll

A:  Hello, this product is designed for use underneath asphalt shingle roofs. Alternate applications are not recommended. Thanks

A:  Hello, this product is designed as a roofing leak barrier. Alternate applications, such as your installation are not recommended. Thank you.

A:  Hello, this product is intended for use as a peel and stick leak barrier for under asphalt shingles. Please give our technical team a call at 877-GAF-ROOF to discuss you particular project. Thank you

A:  It is not 8+ inches think.  I would say it was 1/8” thick.  It was like a durable rubberized floor mat.   Easy to work with, heavy duty.  The product is excellent- but expensive.  

A:  Yes that figure is incorrect

A:  Very incorrect.  It’s more like .083 or about 3/32”.

A:  Hi John, thanks for your question. The spec has been corrected.

A:  This product is intended as an underlayment for asphalt shingles. Please consider GAF Timberline shingles instead. Thank you

A:  No. It's an eave underlayment for shingles to be nailed on top.

A:  Hello, this product is intended for use underneath asphalt shingles. We would recommend GAF Liberty which is a self-adhered roofing membrane. Please give our technical team a call at 877-GAF-ROOF. Thank you

A:  Hello, this product is intended as a peel and stick roofing underlayment. Unfortunately, we do not have any specific approved installation details for use on decks.

A:  I used this on a small shed 16 x 8. The roof was leaking and had shingles already installed. I put this over the existing shingles 2 years ago and have not had any leaks since.

A:  Hello, the Liberty Cap product doesn't necessarily require the base sheet. An asphalt primer meeting ASTM D41 would be applied on the plywood deck and then covered over with Liberty Cap. This provides a 10 year limited warranty against manufacturing defects. If the Liberty Base product is used as part of your installation, it would provide 15 years of limited warranty. Please give our technical team a call at 877-GAF-ROOF to discuss your installation in detail. Thank you for your question.

A:  I used this on the roof of my house. It applies easy and it is durable.

A:  Weatherwatch is a great product.  Have used on bay window roofs and on shallow pitched roofs. Stopped all leaks; prevented leaks during massive rainfall associated w hurricanes.

A:  Use as the first underlayment at the edge of the roof but Use only in 3ft to 4ft length it is one of the best products out there i would recommend

A:  Hello, this product is used at the eave edge and should be installed at least 24" above the warm wall. It's also installed at the other vulnerable areas of the roof at areas such as valleys, around penetrations and at wall to roof junctions. FeltBuster would be installed on the remaining areas of the roof. Thank you for your question

A:  Yes. I used just this item and is perfectly work no leaks at all

A:  Hello, this product may be installed over plywood, OSB or other typical steep slope roof decks. For further details, please call us at 877-GAF-ROOF.