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Roofmaster 4 in. x 150 ft. Cotton Fabric Roll
Regular price $40.84Orders start at $399 — combine any items to reach the minimum. Learn more
Roofmaster 4 in. x 150 ft. Cotton Fabric Roll
This is a Roofmaster 4-inch by 150-foot cotton fabric roll, a reinforcing membrane for use with roof coatings and cements. One roll provides 50 sq. ft. of coverage area and meets Fed. Spec. SS-C-450, ASTM D173-74, AASHTO Type 1 and ASTM D1668. Sold as one roll.
Key Features:
- 4 in. x 150 ft.: Continuous 150-foot roll, 4 inches wide, for seam and patch reinforcement.
- 50 sq. ft. coverage: One roll covers approximately 50 sq. ft. as listed.
- Multi-standard: Meets Fed. Spec. SS-C-450, ASTM D173-74, AASHTO Type 1 and ASTM D1668.
- Reinforcing membrane: Embedded into roof cement or coating to bridge seams and cracks.
- Lightweight roll: About 2.08 lb per roll for easy staging.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Roofmaster |
| Manufacturer model | 152040 |
| Sell unit | 1 roll, 4 in. x 150 ft. |
| Product line | Roofmaster commercial fabrics |
| Dimensions | 4 in. wide x 150 ft. long |
| Coverage per unit | 50 sq. ft. |
| Material | Cotton fabric |
| Applicable standards | Fed. Spec. SS-C-450; ASTM D173-74; AASHTO Type 1; ASTM D1668 |
| Weight | 2.08 lb |
| Intended use | Reinforcing fabric for roof cements, coatings and flashing repairs |
Coverage & How Much You Need:
One 4 in. x 150 ft. roll yields roughly 50 sq. ft. of reinforcing fabric, enough for long seam strips or multiple flashing repairs. Embed the fabric into wet cement or coating with laps and pull it tight to avoid wrinkles.
Fit and Compatibility:
Used with compatible asphalt roof cements, coatings and primers as a reinforcement layer. Cement or coating products are sold separately.
Frequently Asked Questions (FAQ):
Q: How much fabric is on the roll?
A: Each roll is 4 inches wide by 150 feet long, listed at 50 sq. ft. of coverage.
Q: How is it used?
A: Embed it into wet roof cement or coating over seams, cracks and flashing details to reinforce the repair.
Q: What standards does it meet?
A: Fed. Spec. SS-C-450, ASTM D173-74, AASHTO Type 1 and ASTM D1668 as listed.
Q: How is it sold?
A: Each order is one roll (RL), about 2.08 lb.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Feather fabric edges into the wet cement and coat fully to encase the fabric; dry spots cause premature failure. Use narrow strips at flashing laps and wider reinforcement over split seams, and always verify the cement or coating is compatible with cotton fabric per the coating manufacturer's instructions.
Handle hot or solvent-based roof cements per their safety data sheets and keep repair areas clear of traffic until cured.
Stock the Roofmaster 4 in. x 150 ft. cotton fabric roll for reinforced roof repairs.
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