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⚡ Elevate your projects with foam that’s fast, firm, and fiercely versatile!
Fiberglass Supply Depot’s 4LB Density Expansion Foam is a high-performance 2-part polyurethane closed-cell foam delivering 2 cubic feet of durable, buoyant, and insulating material. Designed for professional-grade flotation, soundproofing, and structural support, it cures rapidly and bonds seamlessly with common resins. Perfect for millennial managers seeking reliable, multi-use solutions that combine efficiency with premium results.
| ASIN | B08T2195F8 |
| Brand | Fiberglass Supply Depot |
| Brand Name | Fiberglass Supply Depot |
| Coverage | 2 cubic feet |
| Customer Reviews | 4.4 out of 5 stars 256 Reviews |
| Manufacturer | Fiberglass Supply Depot Inc. |
| Manufacturer Part Number | FBAPOLY4LBGK |
| Material | Foam , Resin |
| Material Type | Foam, Resin |
| Number of Items | 1 |
| Number of Packs | 1 |
| Recommended Uses For Product | Flotation, Soundproofing, Insulation, Filling Voids, Sculpting, Casting |
| Recommended uses for product | Flotation, Soundproofing, Insulation, Filling Voids, Sculpting, Casting |
| UPC | 819794022934 |
J**Y
Reacts fast
Excellent
L**E
Great product!!!!
Awesome stuff, I used it to fill holes used from animals going under my cement driveway and walkway. Fantastic results and hardens like a rock
T**N
Not to be used near fuel
Petrol breaks this product down and absorbs petrol
A**H
great product
It worked perfectly to replace floatation foam in a boat
S**V
Dense and low expansion
I am used to working with 3lb foam and wanted to try a 4lb foam for a project that needed some extra stiffness. This product didn't disappoint. The volume of foam that it made wasn't as much as a lighter density, but it set off and hardened extremely quickly. I was able to do my project quickly and get it out of the way. Thanks for making it easy.
Trustpilot
2 months ago
1 month ago