alwitra kerbs for sophisticated daylighting
Put an end to the rooflight’s second role as a thermal bridge! alwitra kerbs 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 waterproofing 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
Ready to use
Kerb 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 |
Downloads
Installation instructions for rooflights and upstands
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