Designed to integrate efficiently with specific roofing materials. An efficient way to ensure a watertight installation for windows. One-piece bottom apron design improves aesthetic finish and allows for easy installation. Suitable for single window installation into interlocking profiled tiles or interlocking plain tiles. 10 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) Watertight Ensures Waterproof Installation Easy to Install Roof Pitch: 20-90° Max. Material Profile: 45mm Specifically Designed for Keylite Roof Windows 10 Year Manufacturers Guarantee (Registration Required, T&Cs Apply) Watertight Ensures Waterproof Installation Easy to Install Roof Pitch: 20-90° Max. Material Profile: 45mm Specifically Designed for Keylite Roof Windows