Paintable Polyurethane Seam Sealer For Auto Body, Black Flexible Joint Filler That Won't Shrink Or Crack, Seals Bare And Painted Metal, Ideal For Weld Joints, Rocker Panels, Wheel Wells And RV Roofs, 10.5 Fl Oz
✔️ Single 10.5 oz cartridge; fast cure, paint-ready in 30 min
This black seam sealer is a paintable polyurethane compound designed for auto body joints, welds, and gaps. It seals bare and primed metal or painted panels, offering a durable, flexible seal that resists cracking and shrinking in exposed undercarriage areas like rocker panels and wheel wells. Ideal for weld joints, door jambs, RV roofs, and other chassis joints.
✅ Black polyurethane seam sealer creates a durable seal across joints and gaps
✅ Paintable in about 30 minutes, priming and topcoating the same day
✅ Bonds to bare metal, primed surfaces, painted panels, fiberglass, and composites
✅ One 10.5 oz cartridge fits standard caulking gun
✅ Ideal for auto body, RV, and marine joints; waterproof after cure
💡 What is a seam sealer used for in auto body work and why choose polyurethane? This handy material helps seal joints and gaps on metal, fiberglass, and primed surfaces.
- It forms a flexible, waterproof seal that resists moisture and corrosion - It bonds to bare metal, primed and painted surfaces, and even fiberglass - It accepts paint well and can be topcoated in about 30 minutes - It suits weld joints, rocker panels, wheel wells, and RV roofs