alwitra rooflight upstands for sophisticated daylighting
Put an end to the rooflight’s second role as a thermal bridge! alwitra rooflight upstands for flat roofs provide for sophisticated daylighting and excellent thermal insulation. Made of extruded polyvinyl chloride plastic profiles, alwitra rooflight upstands feature excellent impact-resistance of the frame, an innovative cellular system, and ensure reliable flashing against PVC, bitumen, and high-polymer roofing membranes, for new build and refurbishment. For smart (time) savers, they are also available with a factory-fitted EVALON® or EVALASTIC® flashing sleeve.
Excellent thermal insulation right into every corner
Compliant with EN 12567-2
Stressless, weather-tight flashing against EVALON® or EVALASTIC®.
Also compatible with bituminous sheets or high polymer waterproofing membranes
Rooflight upstand accessories
Impeccable, quick waterproofing with EVALON® and EVALASTIC® sleeves. Because the factory-fitted “ready-to-use” assembly saves you valuable time.
|Completely preassembled at the factory|
|Fully bonded flashing sleeve over the entire upstand height|
|Available in any roofing membrane colour|
|Direct welding to the membrane without additional strip|
|Quick and easy to install|
|A lot of saved time for a small price premium|
Installation instructions for rooflights and upstands