Cetified B Corporation

We are celebrating two years of being a B Corporation!

Read about our journey so far, and our plan to be net zero by 2040..

Back to components

Excel FM Capsheet

EXCEL FM is a reinforced Alpa® polymer modified self-finished bitumen waterproofing membrane. Its surface is finished with coloured ceramic granules or mineral slate chippings and its under surface with a silicone film. EXCEL FM is accredited for use as a flame free single layer waterproofing system in a mechanically fixed application on flat, zero fall and pitched roofs.

View Technical Downloads

Systems in use

View all systems