Cementone All Weather Trowel Applied Bitumen Mastic 2.5ltr Black

Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. With added fibres for reinforcement. Forms a surface skin, but the mass below remains soft to allow for moderate movement. Perfect for sealing and filling holes in mastic asphalt, roofing felt, corrugated iron, metal guttering and downpipes. Suitable for use for waterproofing, bedding, pointing, sealing and stopping. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber.