The Bitumen Primer is a low viscosity, high penetration bituminous solution designed to prime and seal porous roof surfaces. Bitumen primer promotes the adhesion of bituminous waterproofing systems and sheet coverings.
Use & Application
This primer is usually applied by brush ensuring an even coat or applied by airless spray. Here are some surfaces where it can be used:
Slate
Concrete
Metal
Roofing felt & asphalt
Asbestos cement
Mild steel, zinc & lead
Lightweight concrete screeds
Coverage
The coverage per litre depends on the porosity of the surface:
Metal surfaces: 6-12m² per litre
Concrete: 6-8m² per litre
Lightweight concrete screeds and asbestos cement: 3.5-5m² per litre
Benefits
Easily applied by brush or spray
This primer is resistant to water within 20-30 minutes