How can i contact keylite? We are available on LiveChat to answer any queries you may have. We are always available via email to talk about our unique products. Simply send an email to us: [email protected] Why choose keylite roof windows? With the very latest thinking in design, engineering and materials, Keylite has created a new innovative product range. Keylite Roof Windows combine energy efficiency with convenience, providing the optimum solution for more natural light and fresh air in your home. See something you like in the Keylite brochure?What is keylite sunlite light tube system? A Keylite Sunlite Light Tube System transports natural daylight into areas where conventional pitched or flat roof windows cannot be used.The highly reflective light tube enables daylight to travel from the roof to an interior space deprived of natural light.What are keylite flashing kits? Keylite Flashing Kits are the most efficient way to ensure a watertight installation for your windows and have been designed to integrate efficiently with specific roofing materials.The installer friendly instructions and one-piece bottom apron ensure easy first time fitting.