Loose-lying

POWERDECK, EUROTHANE SILVER on - concrete roof - loose-lying membrane - with ballast

ROOF SYSTEM DESCRIPTION

1. Concrete
2. Vapour barrier : foil or reinforced bituminous products (overlaps to be sealed)
3. Thermal insulation board : POWERDECK, EUROTHANE SILVER, 1200 mm x 600 mm, laid loose on the vapour barrier
4. Waterproofing : single ply or bituminous membrane, laid loose on the EUROTHANE boards
5. Ballast