Malthoid is a 2 ply felt material impregnated with bitumen which is also covered in a fine sand to prevent sticking when rolled. Malthoid is used for waterproofing of flat roofs and under corrugated iron water tanks, to prevent condensation corrosion. Usage: For prevention of rising moisture up through walls of brickwork etc., 90mm x 20mm roll 110mm x 20m roll 150mm x 20m roll 230mm x 20m roll 300 mm x 20m roll 1m x 20m roll 1m x 10m roll Special sizes made to order
