Check the listing for details. Structural Polyester Bonding Putty- Gallon Kit with Catalyst. Condition: New. Listed at 59.95 USD. Our polyester putty, pre-thickened and fiber-reinforced, is your secret weapon for formidable structural filling, fitting, bonding, bedding, and radius forming. It's an indispensable ally in boat building and repairs, adept with fiberglass, wood, metal, polyester laminates, and core materials, usable above or below the waterline. Key Features: ✅ Supreme Strength & Durability: This isn't your average putty. Our formula, fortified with premium polyester resin and long-strand glass fibers, offers unrivaled strength, impact resistance, and elasticity. Ideal for critical applications like hull-to-deck and bulkhead bonding. ✅ User-Friendly Application: Tailored for simplicity, our putty ensures a hassle-free mixing and application process. With a paste-like consistency that doesn't sag, achieve a perfect mix with MEKP ✅ Versatile & Reliable: Beyond marine applications, this putty excels in automotive, RV, and home repairs. It's perfect for filling joints, cracks, holes, and dents in a variety of materials