Radon barrier membrane MONARFLEX RMB400

Monarflex RMB 400 is a radon resisting damp proof membrane made from virgin co-polymer polyethylene with a strong polyester reinforcing grid to resist foot traffic during the construction phase. Monarflex® RMB 400 is resistant against alkali as normally found in foundation works and further meets the requirements given in approved Document C of the Building Regulations. Monarflex® RMB 400 A high performing polymeric DPM that also acts as a radon resisting membrane in areas with radon levels above 200 beq. RMB 400 is is 0.4mm thick and available in 2 x 25 m and 4 x 25 m roll size.