GAF TOPCOAT Surface Seal SB Primer – White, 55-Gallon Drum
Regular price $366.30TOPCOAT Surface Seal SB Primer, White (55 gal)
Solvent-based, sprayable thermoplastic rubber primer that cures into a seamless, reflective membrane. Designed to protect and flex with roof movement, ideal for modified bitumen and compatible roofing systems.
Key Features:
- Seamless Protection: Cures to a continuous thermoplastic rubber membrane for durable roof sealing
- High Reflectivity: Helps reduce surface temperatures and protect roof substrates
- Flexible Formula: Accommodates temperature-driven expansion and contraction
- Pro-Ready Application: Sprayable solvent-based primer for efficient coverage
- Tested & Approved: Meets ASTM standards; CRRC, Energy Star, Miami-Dade, Florida Building Code, UL, and FM approvals
Specifications Table:
| Specification | Details |
|---|---|
| Color | White |
| Packaging | 55 Gallon Drum |
| Coverage Area | 100 Sq. Ft. (9.3 Sq. m) |
| Technology | Solvent-based sprayable thermoplastic rubber primer/sealant |
| Membrane | Cures to a seamless rubber membrane |
| Approvals/Certifications | CRRC Approved; LEED; Energy Star; Miami-Dade County Approved; Florida Building Code Approved; UL Classified; FM Approved |
| Standards | ASTM D412; ASTM B117; ASTM C794; ASTM G21; FTMS 141.6271; ASTM D2196; ASTM D1475; ASTM E1644 |
| Style/Category | Adhesives, Caulks & Sealants |
| Manufacturer Number | 89SD920WP |
| Product Number | GAFTCSSSBWHG55 |
Frequently Asked Questions (FAQ):
Q: What surfaces is this primer intended for?
A: It’s formulated for roofing applications and commonly used as a primer on modified bitumen and compatible substrates per GAF guidance.
Q: How is it applied?
A: It is a sprayable, solvent-based product; follow the product data sheet for equipment, coverage rates, and application conditions.
Q: What is the color and packaging?
A: White color, packaged in a 55-gallon drum.
Q: What approvals and standards does it meet?
A: It aligns with ASTM D412, B117, C794, G21, D2196, D1475, E1644 and holds CRRC, LEED, Energy Star, Miami-Dade, Florida Building Code, UL Classified, and FM Approved statuses.
Q: What coverage can I expect?
A: Listed coverage area is 100 sq. ft. (9.3 sq. m). Actual coverage varies by substrate and application method.
A Gleaming, Seamless Shield for Modern Roofscapes
This primer sets the stage for a roof that reads crisp and refined, casting a clean white sheen that elevates the skyline. I love its thermoplastic rubber chemistry—supple yet resilient—creating a continuous skin that moves elegantly with the building. Pair it with cool, minimal metal details and charcoal coping for a chic, high-contrast finish. It’s the quiet luxury essential that protects while polishing the entire silhouette.
Elevate and protect your roof with TOPCOAT Surface Seal SB—order the 55-gallon drum today for seamless, high-performance coverage.
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