Bostik penetration primer for roofs is a general purpose primer for steel, slate, concrete, asbestos cement, asphalt, corrugated iron etc.It is often essential as a surface treatment prior to use of bituminous adhesives, solutions, emulsions and flashing strips.It is designed to penetrate and seal porous surfaces before application of waterproof protective systems.
Features
- Easy to use low viscosity primer
- Excellent surface penetration
- Application to slightly damp surfaces
- Improves adhesion and sealing properties
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