The Cure It C3 External Fillet Corner is a critical roofing component designed to ensure a smooth and professional finish for your flat roof. Manufactured by Cure It, this high-quality GRP (Glass Reinforced Plastic) corner piece aids in the creation of seamless joins between different roof sections. The C3 Fillet Corners robust construction ensures long-lasting durability and resistance to various weather conditions. This product is easy to install, making it an excellent choice for both DIY enthusiasts and professional builders alike.