Selleys Plasti-Bond Heavy Duty is a multi-purpose plastic putty that can be used for building or repair work where filling, bonding or moulding is necessary. It sets in 20 minutes without shrinkage, after the hardener is mixed in. Selleys Plasti-Bond Heavy Duty Bog can be used: to support heavy loads, fill holes, cracks and splits in a variety of surfaces including metal, timber, brick, fibre cement, fibreglass, concrete, plaster, many plastics, alloys, tiles, ceramics and more. Great for repairing chips in concrete steps. Can be sawn, drilled, tapped, sanded and painted. Can be coloured with cement oxides or paint tinters. 1.6kg