BS-7442 75mm*2.5m waterproof flash
-Ensure all surfaces are clean and free of dust,debris or flaking paint.
-Use a wire brush if necessary to remove dirt etc.
-unroll the required length and remove the release paper,set in place and press firmly,overlapping adjoining surfaces by 25mm if necessary.
-In cold weather improve the adhesive qualities by slightly warming hard rock waterproofing flashing