SEM 39357 Flexible Urethane Foam is a two-component expanding foam for filling cavities and voids behind bumper covers and flexible plastic components during collision repair. Expands to fill irregular spaces and cures to a flexible, lightweight foam that supports the repaired area.
Key Features:
- Expanding Foam: Fills cavities and voids behind bumper covers and plastic components.
- Flexible Cure: Remains flexible after curing — won’t crack in bumper applications.
- Lightweight: Low-density foam adds structural support without significant weight.
- Dual-Mix Cartridge: Two-component auto-mixing formula.
- Sandable: Can be shaped and sanded after curing.








