Visqueen Radon R400 is a 0.4mm thick co-polymer thermoplastic membrane. The product is red in colour and supplied 4m x 20m in a multi-folded roll.Features & benefitsBBA certified - third party accreditation0.4mm (1600 gauge) thick - complies with new BBA regulations for radon protection membranes in line with BS8485:2015 A1:2019Increased thickness - provides greater impact properties and protection from following tradesConforms to BR 211:2023 - industry guidance for radon protectionMulti folded - easy to handle and transportMulti functional - also acts as a damp proof membraneDual jointing methods - lap joints can be taped or heat weldedUsageVisqueen Radon R400 is used to prevent the ingress of radon in both basic and full radon protection areas. The membrane can be positioned within the ground foor construction either above or below the structural foor.The product is not intended for use where there is a risk of hydrostatic pressure.
