Radmat BlackOut Roofing Surface Conditioner

BlackOut Roofing Surface Conditioner is a low viscosity, high penetration, cold applied bituminous solution designed to prime and seal porous roof surfaces prior to the application of bituminous materials. 

Features and benefits:

• Low viscosity, high penetration.
• Fast-drying for porous and non-porous surfaces.
• Promotes the adhesion of bituminous waterproofing systems and sheet coverings.
• Application: Should be applied by brush or roller ensuring an even coat with no pooling, or applied evenly by spray. 

Coverage 

The coverage per litre is dependent upon the porosity of the surface: 

• Metal surfaces: 6–12 m² per litre. 
• Concrete: 6–8 m² per litre.
• Lightweight concrete screeds and asbestos cement: 3.5–5 m² per litre.

For a comprehensive NBS J31 specification, contact Radmat Building Products.