Bond It Trowel Mastic Fibre Filled Bitumen Paint Roof Repair Compound (5L)

Bond It TROWEL MASTIC is a multi-purpose trowel grade material for waterproofing, stopping, bedding, pointing and sealing. TROWEL MASTIC can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. A heavily filled and fibrated bituminous compound that dries to a soft flexible black coating which remains soft and pliable for a long time after application. All surfaces must be structurally sound, clean, dry and free from surface contaminants such as grease, rust and dirt. For large cracks and holes apply the compound over the area to be treated and embed a closely woven glass fibre membrane into the compound to overlap the crack or hole by approximately 50mm.