Description Rally Polythene Dampcourse is a polythene concealed flashing and damp-proof material that is used to deter moisture from rising through concrete slabs and internal walls etc. It is often also used for window and door flashing etc. 0.5mm (Embossed thickness 0.75): (110mm, 150mm, 230mm, 300mm, 380mm, 450mm, 600mm (Also available in 50 meter rolls) An embossed polyethylene sheet which has a base thickness of 0.5mm Compiles with the requirements of Australian Standards AS 2904-1986.
