Cromar Trowel Mastic is a heavily bodied bituminous mastic that is used for filling joints, cracks and splits in roofing and building materials including roofing felt, asphalt, concrete, asbestos cement and metallic guttering and drainpipes. It is resistant to water penetration immediately after application and is ideally suited for maintenance and remedial work. Surface preparation involves ensuring a clean, dry, and oil-free surface and priming porous surfaces with Bituminous primer.

Key features:

• 5L
• Fills joints, cracks and splits in roofing and building materials
• Resistant to water penetration