CM20 Geotextile Membrane – High-Performance Drainage & Radon Barrier
The CM20 Geotextile Membrane is a dual-layer system combining CleverShield’s CM20, a 20mm studded HDPE membrane, with a high-tenacity, UV-stabilized, nonwoven polypropylene geotextile. This advanced construction provides exceptional drainage, high compressive strength, and superior abrasion resistance, making it ideal for use in various waterproofing and construction applications.
Key Benefits
✔ Effective Radon Barrier – Passed all relevant tests for radon resistance.
✔ High Drainage Capacity – Rapid water drainage before it reaches the waterproof coating.
✔ UV Stabilized & Durable – Withstands stress, movement, and environmental exposure.
✔ Filtration Layer – Prevents silting and clogging while ensuring efficient drainage.
✔ Thermal Insulation Benefits – Enhances roof and wall insulation properties.
✔ Easy to Handle & Install – Lightweight, rugged construction with fast installation.
✔ Compatible with All Construction Types – Ideal for green roofs, basements, and retaining walls.
Typical Applications
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Radon Barrier – Ensures protection against harmful gas infiltration.
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Green Roof Systems – Supports roof gardens, planting cells, and perennials.
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Drainage & Protection Board – Ideal for use in below-ground structures.
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Backfilling & Excavation – Allows excavated earth to be safely re-used.
Product Specifications
| Product |
CM8 Geotextile Membrane |
CM20 Geotextile Membrane |
| Product Code |
CM8GEOTEXT |
CM20GEOTEXT |
| Size |
2m x 20m |
2m x 20m |
| Weight |
24.4 Kg |
40 Kg |
| Coverage |
40m² |
40m² |
| Storage |
Store upright, under cover, away from heat & flames |
Store upright, under cover, away from heat & flames |
