Mastermax Extra Breathable Membrane is flexible three-layer polypropylene laminate composite materials. The membranes are manufactured by a thermal-bonding process in which a polyethylene breathable film is bonded together with polypropylene non-woven membranes to from a flexible sheet.
Mastermax Extra Breathable Membranes are satisfactory for use as on-site or factory-applied breather membranes in timber/steel-frame walls with a cavity and a masonry outer leaf, weather-boarding or tile/slate cladding.
Easy to install
Prevents water from penetrating
Remains breathable to permit unwanted moisture escaping