Best Car Putty & Polyester Resin of 2026

The Swindon Composite Repair Kit is designed for fibreglass repairs and wet lay-ups, featuring 1.0kg of Lloyds approved polyester resin. It includes a generous 1m x 0.95m fibreglass mat that makes it easy for you to cover larger areas efficiently. The kit also comes with essential tools such as mixing sticks, disposable brushes, and a syringe for precise measuring of the hardener, ensuring that you achieve the perfect mix. However, be aware that the resin has a powerful smell, which is typical for polyester products.

The Swindon Fibreglass Repair Kit is perfect for small repairs and projects, featuring 250g of resin and 95 x 25cm glass fibre matting. This kit is Lloyds approved, ensuring it meets the standards required for marine craft repairs, giving you peace of mind. Accurate mixing is crucial for success; therefore, weighing the resin helps you determine the correct amount of hardener to use. With a working time of approximately 15-20 minutes, you can efficiently complete your repairs before the resin sets.

The David's Fastglas Repair Kit is a handy polyester resin kit designed for fibreglass repairs on cars, boats, caravans, and more. It includes 250ml of resin, 10g of hardener, glass fibre, a mixing cup, and protective gloves, giving you everything needed for effective repairs. The resin is sandable after just 20 minutes at 20°C, allowing you to quickly smooth the surface. Additionally, the kit can be covered by most primers and paint systems, making it easy to finish your project neatly. This kit is ideal if you want a complete and convenient fibreglass repair solution.

The isopon Glass Fibre Kit is a complete solution for creating, constructing, and repairing with Glass Reinforced Plastic (GRP). It includes opaque polyester resin, a red BPO paste hardener, and glass fibre matting, allowing you to achieve strong and durable results. With its fast curing resin formulation, you can complete your projects quickly, saving you valuable time. The kit contains everything you need, including 250ml of resin, making it convenient for both novice and experienced users to tackle various repair tasks with ease.

The Swindon Composite Resin offers a high-quality polyester resin that is Lloyds Approved for marine craft, ensuring it meets essential insurance requirements. Supplied with a hardener and syringe, it allows you to mix at the recommended ratio of 2%, making the application straightforward. This professional-grade ENCORE 30 Resin is preferred by boat builders, providing excellent results for fibreglass repairs and wet lay-ups. It is optimised for use with fibreglass matting, giving you confidence in your repairs and projects.

The E-TECH Repair Putty is an ideal solution for fixing cracked, split, or holed plastic bumpers and trims. Its excellent adhesion ensures that it strongly bonds to the original bumper, giving you peace of mind. The ultra-fine formula eliminates air bubbles, resulting in a smooth finish that enhances the appearance of your vehicle. Additionally, the putty is easy to sand and shape, allowing you to restore your bumper's original contours effortlessly. With its good flexibility and fast setting properties, you can enjoy a quick and effective repair process.

The Polycraft Fibreglass Repair Kit is a reliable choice for anyone needing strong, lasting repairs on fibreglass surfaces such as boats, cars, and surfboards. With Lloyds approval, it meets high industry-quality standards, giving you confidence in its performance for professional and industrial tasks. Made from premium-grade fibreglass materials, it ensures durable repairs that stand the test of time. This versatile kit is perfect whether you’re fixing a boat hull, patching a car bumper, or reinforcing a surfboard, making it ideal for DIY enthusiasts and professionals alike.