From Proctor
A heavyweight reinforced vapour control layer with aluminium foil core to give a high water vapour resistance. The aluminium foil is protected on both faces by polyethylene for corrosive situations, such as chlorine in swimming pools.Key Features• Vapour Resistance > 7,000 MNs/g.• Unaffected by chlorine.• Aluminium Foil.• High Risk-eg Swimming Pools, Textile Factories• Roll size 2m x 50m. Weight 31kg/roll.• Colour; Blue (top) Reflective silver (bottom).