Structural Repair Putty

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Structural Repair PuttyTackle tough repairs with confidence using this high-strength structural repair putty. Designed for filling, rebuilding, and reinforcing damaged areas, it sp reads easily and cures into a strong, durable surface you can sand, shape, or drill. Whether you're fixing cracks, holes, or structural damage, this putty makes it easy to restore strength and get your project back on track. Features & Benefits: High-strength repair – Reinforces damaged areas with a tough, durable finish Thick, non-sag formula – Stays in place on vertical and overhead surfaces Easy to shape & sand – Can be sanded, drilled, or machined after curing Excellent adhesion – Bonds well to fiberglass, wood, metal, and composites Fills gaps and voids – Ideal for rebuilding missing or damaged material Fast cure time – Speeds up repairs and keeps projects moving Versatile use – Great for marine, automotive, and general structural repairs Technical Details: Type: Polyester repair putty Catalyst: MEKP required (included) Mix Ratio: Typically 1–2% MEKP by weight Consistency: Thick, paste-like for easy application and gap filling Gel Time: ~5–15 minutes depending on catalyst ratio and temperature Cure Time: Initial cure in ~30–60 minutes; full cure within 24 hours Finish: Hard, sandable surface Application Methods: Putty knife, spreader, or trowel Surface Compatibility: Fiberglass, wood, metal, and composites (properly prepped) Application Temperature: 60–85°F (15–30°C) recommended Shelf Life: Typically 3–6 months when stored in a cool, dry place Show more