VELUX rooflight base units provide the insulated upstand required for installing VELUX flat roof windows, creating a secure and energy-efficient foundation for the rooflight. Suitable for new build and refurbishment projects, these base units help ensure correct installation while improving thermal performance and weather resistance.
Our range includes VELUX rooflight base units in a variety of sizes to suit compatible flat roof windows, including flat glass, curved glass and dome rooflights. Manufactured for durability and straightforward installation, these insulated kerbs help create a stable, weatherproof rooflight system for residential and commercial flat roofing applications.
We also supply a wide range of top covers to complete your window, including curved and flat glass options for every build.
