Description
Polythene Damp-Proof Membrane 1200g
100% recycled, 1200 gauge damp proof membrane for use below concrete floors or screeds where no groundwater pressure is expected. DampSafe 802-DPM is compatible with all common building materials, and suitable for numerous applications as a DPM, vapour barrier, or as a slip membrane, screeding membrane or curing membrane.
Key Benefits
- Easy to install as a loose-laid membrane.
- Resistant to elongation and tearing.
- Highly resistant to water vapour.
- Chemically inert (not affected by acids or alkalis in the ground).
- Suitable for most common floor construction.
- Quick and easy to join.
- Range of accessories for detailing around pipes, columns and other protrusions.
- 100% recycled.
DampSafe 802-DPM can also be sealed to DampSafe 809-HP DPC to extend the damp proofing through spine and exterior walls.
Typical Applications
- Loose-laid DPM below ground-bearing concrete slabs and rafts.
- Vapour barrier.
- Slip membrane between screeds and floors.
- Screeding membrane above insulation.
- Curing membrane below and above concrete slabs and rafts.
Suitable Substrate
- Sand blinding.
- Closed-cell insulation.
- Newly placed concrete, as a curing membrane
- Precast floors, as a slip membrane.
Product Data
Code: 802-DPM
Thickness: 300 microns
Mass: 280 g/m2
Size: 4m x 25m
Weight: 28kg
Colour: Black
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Technical Data
Installed Performance | Result |
Tensile strength – MD* | 20.3 N/m2 |
Tensile strength – CD** | 24.3 N/m2 |
Elongation – MD* | 383% |
Elongation – CD** | 416% |
Water vapour resistance – Sd value | 284m |
Watertightness | 2 kPa |
Nail tear | 217 N |
Reaction to fire | F |
*Machine Direction
**Cross Direction
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