Fiberglass Resin Repair Kit 0 45 pint 7 2 oz All-in-One Set with Resin Hardener Fiberglass Cloth and

Repair fiberglass, wood, and metal like a pro with this 1/2 Pint Fiberglass Resin Repair Kit. This all-in-one kit includes everything you need to mend cracks or holes: resin, hardener, fiberglass cloth, mixing tools, and an instruction guide. No prior experience is needed – easy step-by-step directions walk you through mixing and applying the resin for a quick, solid repair. Each repair cures to be 100% waterproof and long-lasting. The high-quality polyester resin hardens into a rock-solid, marine-grade seal that won’t rust or rot. It’s perfect for patching leaky boat hulls, fixing cracked bathtubs or hot tubs, and reinforcing rusted car body panels. Once cured, the fiberglass-reinforced patch withstands water, weather, and vibration, so you can trust it to hold up over time, even in demanding conditions. This kit’s resin bonds strongly to multiple materials. Use it on fiberglass surfaces, metal sheets, wood, ceramic, or concrete. From repairing chipped fiberglass on your boat or RV to sealing a cracked shower wall or swimming pool lining, to rebuilding a section of auto body around a rust hole – this one kit handles a wide range of projects. The finished repair is rigid and sandable, so you can file or sand it smooth and then paint over it for a seamless finish that blends into the surrounding area. Fast cure, easy finish:

Highlights: All-in-One DIY Repair Kit: Complete fiberglass repair set that includes 0.45 pint (7.2 oz) of resin, liquid hardener, fiberglass cloth, mixing tray, applicator stick, spreader and instructions. Everything needed for a quick repair – no extra tools or experience required. 100% Waterproof & Permanent Bond: Industrial-strength resin cures to a completely waterproof solid patch for long-lasting repairs. Won’t shrink, crack, or pop off over time – ideal for sealing leaky boat hulls, fixing rusted auto panels, or patching wet areas like pools and tubs. Strong Multi-Surface Adhesion: Versatile formula bonds to fiberglass, wood, metal, concrete, and more. Restore cracked boat fiberglass, repair damaged car bodies, mend surfboards, gutters, or bathtubs – one kit handles it all. Forms a tough fiber-reinforced patch on most surfaces. Fast Curing – Sand & Paint in Hours: Quick-curing resin sets in as little as 2 hours, letting you finish repairs fast. Once hardened, it’s easy to sand to a smooth finish and is paintable for a seamless blend with your surface. Get professional results in an afternoon. Save Time & Money on Repairs: Tackle it yourself and avoid expensive body shop or marine repairs. This fiberglass repair kit lets you fix holes, cracks, and gaps at a fraction of the cost of hiring a pro or buying new parts – without compromising on strength or

Key details: Brand: 3M | Model: 420 | Item Weight: 14.4 ounces | Product Dimensions: 2.3 x 3.6 x 7 inches | Exterior: Clear | Manufacturer Part Number: 420 | Customer Reviews: 4.6 4.6 out of 5 stars (213) 4.6 out of 5 stars

How it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out.

Customer feedback: 4.6/5 average rating.

Customers say: Customers find the fiberglass repair kit to be of good quality and easy to use, working well for pinhole defects.

Review snippets: If you have a small item needing repair, this kit has all the components needed for a fiberglass repair. I have a 25 year old car who's windshield washer reservoir had broken from old age. The plastic was brittle from / The kit is great ,comes with everything you need. You can’t ask for more. I do have one complaint the squeegee that comes with it cracked right in half. Thought I had a rubber squeegee laying around, but no go.