Description
CM8 Geotextile Membrane – Drainage, Protection & Radon Barrier
The CM8 Geotextile Membrane is a high-performance dual-layer system combining an 8mm studded HDPE membrane with a UV-stabilised geotextile filtration layer. Designed for effective drainage, protection, and radon resistance, it prevents water build-up while protecting waterproofing systems.
Lightweight, durable, and easy to install, CM8 is ideal for green roofs, basements, and below-ground structures where reliable drainage and long-term performance are essential.
Key Benefits
- ✔ Efficient drainage – Moves water away from structures quickly
- ✔ Radon resistant – Suitable for gas protection systems
- ✔ Prevents clogging – Built-in filtration layer stops silting
- ✔ Durable & UV stabilised – Built for long-term performance
- ✔ Lightweight & easy to install – Saves time on site
- ✔ Improves insulation performance in roof and wall systems
- ✔ Versatile use across waterproofing and construction projects
Ideal Applications
- Green roofs and roof gardens
- Basement waterproofing systems
- Retaining walls and below-ground structures
- Drainage and protection layers
- Radon gas protection systems
- Backfilling and excavation projects
Product Specifications
- Product Code: CM8GEOTEXT
- Roll Size: 2m x 20m
- Coverage: 40m²
- Weight: 24.4 kg
- Material: Studded HDPE membrane with bonded geotextile layer
Storage: Store upright, under cover, away from heat and direct sunlight.
Why Buy From Clever Shield?
✔ Fast UK delivery
✔ Trusted by trade professionals
✔ High-performance waterproofing solutions
FAQs
What is CM8 geotextile membrane used for?
It is used for drainage, protection, and radon resistance in waterproofing systems, green roofs, and below-ground structures.
What’s the difference between CM8 and CM20?
CM8 is lighter and more flexible, ideal for general applications, while CM20 provides greater drainage capacity for heavy-duty projects.
Can this be used for basement waterproofing?
Yes, it is commonly used in basement and below-ground waterproofing systems to manage water and protect structures.
Does the membrane clog over time?
No, the integrated geotextile layer prevents silting, ensuring long-term drainage performance.
Is it easy to install?
Yes, it is lightweight and quick to install, helping reduce labour time on site.
Downloads
- CM8-GEOTEXTILE-BWM06-TDS8.pdf
- CM20-GEOTEXTILE-CDM-BWM07-TDS7.pdf
- CM8-Geotextile-BBA-Cert-2022-05.pdf
- CM20-Geotextile-BBA-Cert-2022-05.pdf
- CM8GEOTEXT-DECLARATION-OF-PERFORMANCE-WPDOP073.pdf
- CM8GEOTEXT-DECLARATION-OF-CONFORMITY-WPDOC073.pdf
- CM20GEOTEXT-DECLARATION-OF-CONFORMITY-WPDOC083.pdf
- CM20GEOTEXT-DECLARATION-OF-PERFORMANCE-WPDOC083.pdf
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