KingProof B25®
Water based rubberized bitumen coating.
Overview
KingProof B25 is a black/brown emulsified cold applied bitumen liquid reinforced with rubber, acting as damp- proof, vapour barrier for concrete and masonry, and as a general purpose primer for bituminous membranes.
Applications
- KingProof B25 provides a vapour barrier, protective coating, and curing compound for:
- Underground concrete foundations
- Concrete and masonry block walls
- Walls below cladding systems
- Concrete slabs
- Basement walls
- Works as a primer for concrete, masonry surfaces, before applying waterproofing bituminous membranes
Advantages
- Resists attack by chlorides and sulphate ions present in ground water
- Easy to use
- Economical
- Water base, has no solvents
- Does not rot
- STANDARDS KingProof B25 complies with ASTM D1227-95, Type II, Class 2
Technical Properties
| Property | Value | Standard |
|---|---|---|
| Form | Liquid | — |
| Density | 1.05 ± 0.05 g/cm³ | — |
| Over coating time | 8 hr | — |
| Application temperature | 5 - 45⁰C | — |
| Dry time | 2 - 4 hr | — |
| VOC | < 40 gr/ ltr When used as a general purpose primer for bituminous membranes, apply KingProof B25 in one coat at a rate of approximately 5 m2/litre. KingProof B25 may be applied by brush, broom or squeegee. | — |
Usage & Packaging
KingProof B25 is available in 18 and 200 litre drums.
3 - 5 m2/litre per coat, to achieve a dry film thickness of around 70 - 110 microns per coat, depending on surface roughness.
Shelf life is 1 year when stored under cover, out of direct sunlight and protected from extremes of temperature
Drum
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