DPC Building Waterproof Tape
Description
Produced in blue or black and manufactured from high quality recycled polyethylene for use in solid concrete ground floors to protect buildings against water from the ground providing an effective barrier against liquid or water vapour for the lifetime of the concrete slab in which they are installed.
Specification
Thickness: 450-1200um
Size: Width:5-150cm
Length: 30-100m
Properties
It is impervious
It is strong and durable, and should be capable of withstanding both dead as well as live loads without damage.
It is dimensionally stable
It is free from deliquescent salts like sulphates,chlorides and nitrates
Physical Property of 500um waterproof tape
No. | Item | Physical Property | |
1 | Weight g/m2 | 450 | |
2 | Tension N/CM | Longitudinal ≥ | 300 |
Transverse ≥ | 250 | ||
3 | Fracture elongation % | Longitudinal ≥ | 200 |
Transverse ≥ | 100 | ||
4 | Break tension N≥ | 20 | |
5 | Water impermeability 30min no leaking | 0.3mpa no leaking | |
6 | Cold bending -20C | No crack | |
Methods of Damp Proofing Course
- 1. Use of damp proofing course(DPC) Membrane damp proofing
- 2. Integral Damp Proofing
- 3. Surface Treatment
- 4. Cavity wall construction
- 5. Guniting
- 6. Pressure Guniting
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