RC1 Bituminous Waterproofing Primer
Overview
RC1 is a liquid bituminous waterproofing primer used as a preparatory coat before applying bituminous membranes or asphalt-based waterproofing systems. It enhances adhesion, seals porous surfaces, and ensures a more effective waterproofing application.
Main Uses
- Primer before applying torch-on bitumen membranes
- Surface preparation for concrete foundations and slabs
- Sealing and priming masonry, concrete, and screed surfaces
- Improves adhesion for asphalt-based waterproofing systems
Technical Specifications
| Property | Value |
|---|---|
| Appearance | Black liquid |
| Base | Bitumen (solvent-based) |
| Application method | Brush, roller, or spray |
| Drying time | 4–6 hours (varies with temperature) |
| Coverage rate | 4–6 m²/L (depends on surface) |
| Flash point | > 40°C |
| Adhesion enhancement | Excellent |
| Compatibility | With all bituminous membranes |
Advantages
- Strong adhesion to concrete and masonry
- Fast drying and easy to apply
- Deep surface penetration and sealing
- Improves performance of waterproofing membranes
- Economical and efficient primer
Application Instructions
- Surface Preparation:
- Ensure surface is clean, dry, and free from dust, oil, and loose particles.
- Mixing:
- Stir RC1 well before application.
- Application:
- Apply using brush, roller, or spray evenly over the surface.
- Curing Time:
- Allow to dry for 4–6 hours before applying waterproofing membrane.
- Storage:
- Store in a cool, dry place away from direct sunlight and ignition sources.
Safety Precautions
- Use in well-ventilated areas
- Wear gloves and safety goggles
- Keep away from heat and open flames
- Refer to the product’s safety data sheet (SDS) for full safety information
