Solvent Based Bitumen Primer BF4 – 20L (for Waterproofing)
Description:
Solvent-Based Bitumen Primer BF4 is a high-penetration waterproofing primer that prepares concrete and masonry surfaces before applying torch-on membranes and bitumen coatings. It improves adhesion, seals porous surfaces, and creates a strong bonding base for long-lasting waterproofing systems on roofs, slabs, and foundations.
Key Features
- Deep-penetrating solvent-based bitumen primer
- Ideal for torch-on and liquid waterproofing systems
- Improves bonding of bitumen membranes and coatings
- Fast drying under normal site conditions
- Suitable for roofs, basements, and concrete slabs
- Apply by brush, roller, or spray
- Average coverage: ~0.15 L per m² (surface dependent)
- Flammable — use with proper ventilation and care