470 Gap Poly Putty 1 Gallon Kit
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470 Gap Poly Putty 1 Gallon Kit
470 Gap Poly Putty Professional-Grade Gap Filling & Structural Repair Putty FGCI's 470 Gap Poly Putty is a premium, fiber-reinforced isophthalic polyester putty engineered for demanding repair and fabrication applications. Formulated with milled fibers for exceptional strength and a thick, non-sag consistency, it stays exactly where it's applied—even on vertical and overhead surfaces—making it the ideal choice for filling large gaps, voids, and structural imperfections. Designed for professionals, 470 Gap Poly Putty delivers outstanding adhesion, durability, and resistance to water, chemicals, and solvents. Whether you're repairing fiberglass components, restoring concrete, or completing structural repairs, this versatile putty provides a strong, long-lasting bond with minimal shrinkage.
Key Features
- Fiber-reinforced for superior strength and structural integrity
- Thick, non-sag formula ideal for vertical and overhead applications
- Excellent gap-filling capability for large voids and irregular surfaces
- Strong adhesion to fiberglass (FRP), concrete, masonry, ceramics, and other compatible substrates
- Isophthalic polyester resin offers excellent resistance to water, chemicals, and solvents
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