- Product Reviews
USC 23010, Long N Strong Fiberglass Filler
- Gallon Size with 4 oz Creme Hardener
- Superior strength and durability
- Ideal for use on large, rusted-out metal, cracked or shattered fiberglass
- Rustproof and Waterproof.
Long 'N Strong is a long strand fiberglass filler that is designed as a super strong, long-strand reinforcing compound used for restoring and repairing Metal, Aluminum, Fiberglass, Wood, Masonry, and Concrete. The extra long strands of fiberglass allows for maximum bonding power and unparalleled strength.