Bituminous waterproofing system on concrete with PIR insulation (25 year warm roof system):
Substrate: Concrete
Primer: Sopradere Quick
Vapour barrier: Sopravap Alu Activa 2
Insulation: PIR, coated with bitumenised glass fibre tissue
Vented underlayer: Sopralene Flam Venti 250 TF
Cap sheet: Sopralene Optima C3 GmF