Bostik Bituminous Mastic for roofs can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber. Bostik Bituminous Mastic for Roofs dries to a flexible black material which remains soft and pliable for a long time after application. Sleek and ergonomic design for ease of use. 

Features:

• 2.5L
• For bedding, pointing, sealing, asphalt and felt roofs
• Easy to use
• Multi-purpose
• Long lasting