GAF FeltBuster Synthetic Roofing Felt Underlayment, 4 ft x 250 ft (10-Square Roll)
Regular price $105.93GAF FeltBuster Synthetic Roofing Underlayment
Upgrade from asphalt felt with this durable, non-asphaltic polypropylene underlayment that helps protect roof decks from wind-driven rain and moisture. The high-traction, medium-gray surface is cooler to work with and the super-lightweight 10-square roll is easy to handle on the roof.
Key Features:
- High-Traction Surface: Special spunbond top layer offers excellent installer grip versus typical asphalt felts
- Tear-Resistant Durability: Tough synthetic construction resists tearing underfoot and in high winds
- Long-Lasting Material: Non-asphaltic polypropylene won’t rot or degrade like conventional felt
- Cooler, Easy Handling: Medium-gray color runs cooler; lightweight 10-square roll simplifies installation
- Code Compliant: Approved to Florida Building Code, Miami-Dade, TDI; meets ASTM D226, ASTM D4869, CSA A123.3
Specifications Table:
| Specification | Details |
|---|---|
| Product Name | FeltBuster Synthetic Roofing Felt |
| Brand | GAF |
| Product Type | Synthetic roof underlayment |
| Material | Non-asphaltic polypropylene with spunbond surface |
| Roll Dimensions | 4 ft x 250 ft |
| Coverage | 10 squares (1,000 sq ft / 92.9 sq m) |
| Color | Medium gray |
| Unit of Measure | Roll (RL) |
| Weight | 21 lb per roll |
| Packaging | 10 SQ. Roll |
| Approvals/Standards | Florida Building Code Approved; Miami-Dade County Approved; TDI Approved; ASTM D226; ASTM D4869; CSA A123.3 |
| Warranty Eligibility | Eligible for up to a Lifetime Limited Warranty when used on Lifetime Shingle roofs; eligible accessory in GAF residential enhanced warranties |
| Performance Notes | Resists wind-driven rain; tear-resistant; avoids water absorption and wrinkling; cooler to work with than black felts |
Frequently Asked Questions (FAQ):
Q: What are the roll dimensions and coverage?
A: Each roll measures 4 ft x 250 ft and covers 10 squares (1,000 sq ft).
Q: Is it suitable for residential shingle roofs?
A: Yes. It’s designed for use under shingles and is eligible for enhanced GAF residential warranties when paired with Lifetime Shingles.
Q: How does it compare to traditional asphalt felt?
A: It’s lighter, more tear-resistant, non-absorbing to help avoid wrinkling, and provides better traction for installers.
Q: What is the material?
A: Non-asphaltic polypropylene synthetic underlayment with a spunbond surface.
Q: Which approvals and standards does it meet?
A: Florida Building Code, Miami-Dade County, TDI; complies with ASTM D226, ASTM D4869, and CSA A123.3.
A Sleek, Reliable Foundation for Refined Rooflines
FeltBuster lays down a crisp, graphite-toned canvas that keeps a roofline looking poised from the very first layer. I love its high-traction, grid-marked surface—smart, orderly, and confidence-inspiring for a flawless shingle layout. Pair it with deep charcoal shingles and matte black accents for a modern silhouette that feels both architectural and warm. This is the quiet luxury your home deserves—beauty that begins beneath the surface.
Choose FeltBuster today to get cooler, safer installation and long-lasting roof deck protection on your next project.
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