Features
J-B Weld Fiberglass Putty is a fiberglass-reinforced, two-component putty system that provides waterproof, durable repairs to cracks up to ½ inch on fiberglass, composites, metal, and concrete.
Provides short-strand reinforced repairs on fiberglass, composites, metal & concrete
2x the strength of body filler
Dries in 30 minutes
Easy to sand, paintable & waterproof
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