Description
External Drainage & Protection Membrane
Two-core drainage sheet consisting of a non-woven geotextile filter layer thermally welded to a water impermeable HDPE (High Density Polyethylene) drainage membrane.
Key Benefits
- Prevents water pressure from bearing against the structure.
- Resistant to all chemicals normally found in the ground.
- Withstands stresses and movement acting as a slip membrane as the backfill settles.
- Allows for backfilling with excavated earth.
- Extremely strong material, minimising the risk of damage when backfilling even when no protection board is used.
- Very high compressive strength.
- Suspended soil particles (fines) are filtered out by the geotextile layer.
- Quick and easy to install with a range of ancillary fixing and installation products.
Typical Applications
- As the drainage layer of an externally applied waterproofing system when used in conjunction with sheet applied or liquid applied external tanking membrane to BS 8102:2022.
- Protection of the structure from aggressive chemicals in the ground water.
- To prevent the build up of ground water to retaining walls.
Product Data
Code: M18
Packaging: Roll: 12.5m x 2.0m
Colour: Black
Area: 25m²
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