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Brand | GCP Applied Technologies | GAF | GCP Applied Technologies | GAF |
Name | Grace Select 36 in. x 65 ft. Roll Self Adhered Roofing Underlayment (195 sq. ft.) | FeltBuster 1000 sq. ft. Synthetic Roofing Underlayment Roll | Tri-Flex XT 48 in. x 250 ft. Black Synthetic Roll Roofing Underlayment | Deck-Armor 400 sq. ft. Premium Breathable Synthetic Roofing Underlayment Roll |
Price | ||||
Ratings | (46) | (240) | (50) | (5) |
Underlayment/Barrier Type | Peel & Stick Underlayment | Synthetic Underlayment | Synthetic Underlayment | Synthetic Underlayment |
Application Method | Peel & Stick | Nail | Nail | Nail |
Features | High Wind Resistant,Water Resistant | Corrosion Resistant,Water Resistant | Extreme Heat,High Wind Resistant | Mildew Resistant,Waterproof |
Unrolled length (ft.) | 65 | 250 | 250 | 100 |
Product Width (in.) | 36 | 48 in | 48 | 48 |
Material | Asphalt | Felt | Synthetic Fiber | Felt |
Roofing Product Type | Underlayment | Underlayment | Underlayment | Underlayment |
Fire Rating (UL 790) | Class A | Class A | Class A | No Rating Available |
Product Thickness (in.) | 0.0251969 in | 6.0 in | .04 | 6.5 in |
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![]() | Best Seller![]() | ![]() | ![]() | |
Brand | GCP Applied Technologies | GAF | GCP Applied Technologies | GAF |
Name | Grace Select 36 in. x 65 ft. Roll Self Adhered Roofing Underlayment (195 sq. ft.) | FeltBuster 1000 sq. ft. Synthetic Roofing Underlayment Roll | Tri-Flex XT 48 in. x 250 ft. Black Synthetic Roll Roofing Underlayment | Deck-Armor 400 sq. ft. Premium Breathable Synthetic Roofing Underlayment Roll |
Price | ||||
Ratings | (46) | (240) | (50) | (5) |
Underlayment/Barrier Type | ||||
Application Method | ||||
Features | ||||
Unrolled length (ft.) | ||||
Product Width (in.) | ||||
Material | ||||
Roofing Product Type | ||||
Fire Rating (UL 790) | ||||
Product Thickness (in.) | ||||
View Product | View Product | View Product | View Product |
No you can not Metal is magnetic n due to the North Pole anything magnetic will turn upside down
Hello, thank you for your question. This product is intended for use under asphalt shingles. We recommend GAF Tiger Paw or Deck-Armor for use under metal. Thank you
Plastic cap roofing nails.
No, it is not an ice barrier. It is only to protect roof decking and preserve the shingle manufacturer warranty.
Hello, this product is designed for use under asphalt shingles. For use under concrete tile, you may want to consider GAF Tiger Paw or Deck-Armor underlayments. Thank you for your question.
Hello, this product is designed as roofing underlayment. Alternate applications, such as your installation are not recommended. Thank you.
I would bet on it, I’ve used Sto, Dryvit, Synergy and most other systems and this is exactly what I would use now. I’ve been doing synthetic stucco for 25 years
Hello, thank you for your question. For metal roofs, we would recommend GAF Tiger Paw, Deck-Armor or Versashield. Please consult the metal roofing manufacturer to ensure they approve of the use of synthetic underlayments under their metal roofing products - most do. Thank you.
I am not in Ca, but I would think an inspector would expect what is approved for siding, not roofing. Always read the company website
Thanks for your question. GAF does not have applications for the Liberty Membrane to be installed over the FeltBuster underlayment. Unfortunately, FeltBuster is designed as an underlayment for asphalt shingles. It is not intended to be a base sheet. Please contact the Technical Services Team at 800-766-3411 for approved substrates the Liberty products may be installed to.