The Cromar Pro GRP 4 Resin Laminating Brush is an essential tool for any fibreglass roofing project. Expertly designed by Cromar, this brush is perfect for applying GRP resin to various surfaces. Its 4-inch size offers optimal coverage, while the high-quality bristles ensure a smooth and even application. The durable handle provides a comfortable grip, making it easy to control for precise work. This professional-grade tool is resilient and long-lasting, making it a reliable choice for both professionals and DIY enthusiasts.