< Back to OptiGreen
System solutions with defined water retention. Peak discharge per FLL: C = 0,17 roof pitch 1° Substrate-independent discharge factor. Water storage and drainage delay. For green and ballast roofs.
Click here for more information
< previous product | all products | next product >
Being regarded as one of the UK's leading green roofing specialists, we believe we can meet any of y...
Protects the waterproofing membrane from damage and stores water
Copyright © 2012 FindtheNeedle.co.uk