Fiberglass Reinforced Polyester Structural Repair Putty Quart Kit For Boats And Cars Marine Grade Pre Thickened Long Strand Fiber Heavy Duty Filler For Strong Bonding Fitting Bedding Radius Forming On Fiberglass Wood Metal And Core Materials
✔️ Quart kit with pre-thickened fiberglass reinforced putty MEKP included
Polyester Structural Repair Putty is a marine-grade, pre-thickened filler engineered for high-strength bonding, filling and radius forming on fiberglass, wood, metal and core materials. It’s designed for hulls, decks, stringers, liners, and bulkheads, usable above or below the waterline.
✅ High-strength fiber-reinforced formula for hull-to-deck bonding and bulkhead filling
✅ Premium polyester resin with long glass fibers for impact resistance and elasticity
✅ Easy mix and apply: 100 g mass, 1% MEKP yields 15-20 min working time at 70°F; adjustable catalyst for longer/shorter pot life
✅ Fast-setting structural adhesive for fiberglass repair; sands smooth and ready for fairing compound or gelcoat
✅ Available in quart and gallon kits; includes 2 oz MEKP; bonds dissimilar materials with no shrinkage or cracking
💡 What is polyester structural repair putty used for in marine restoration and bonding? A handy overview of its common uses.
- Bonds fiberglass, wood, metal and core materials for hull and deck repairs- Fills holes, chips and dents without shrinking, even in bulk applications
- Builds strength quickly and sands smooth for overcoating with gelcoat or fairing compound
- Works above or below water and cures with MEKP catalyst