Alwitra's Evalon V membrane has been used as part of the waterproofing layer on the roof of Hereford Cathedral School's pre-prep building. The roof comprises 311m 2of grass/turf installed over a drainage layer, insulation and Alwitra's Evalon V membrane. Sitting at the heart of ICB's green roof system, the Evalon membrane has, its makers claim, the flexibility and versatility for use on green roof projects of any scale.
FOCUS ENQUIRY NO. 911