Newton CDM 520 eco – 100% Recycled 20mm Cavity Drain Floor Membrane
The Newton CDM 520 eco is a high-performance, 100% recycled HDPE cavity drain floor membrane designed for use within the Newton CDM System—an internally applied Type C waterproofing solution incorporating drainage and pumping systems.
With a 20mm stud profile, Newton CDM 520 eco provides exceptional drainage capacity, making it ideal for areas with a high risk of severe water penetration. It is BBA-certified (No. 94/3010) and guaranteed against deterioration for 30 years, with a life expectancy equal to the building's design life (DIN 9001:2000).
Key Benefits
✔ High Drainage Capacity – 20mm stud profile handles significant water ingress.
✔ 100% Recycled HDPE – Eco-friendly, reducing environmental impact.
✔ Fast & Easy Installation – Optimized for rapid application.
✔ Durable & Chemically Resistant – Impervious to rot, alkalies, acids, efflorescence, and hydrocarbons.
✔ Vapour Control – Can help create a Grade 3 environment when used with humidity control systems.
✔ BS 8102:2022 Compliant – Meets UK waterproofing standards.
✔ Fire Resistance – Classified as Euroclass E for safety.
✔ Root & Bacteria Resistant – Unaffected by fungi and other microorganisms.
Typical Applications
🏗 Basement & Cellar Waterproofing – Used as a floor membrane within the Newton Type C CDM System.
🏠 New Build & Refurbishments – Suitable for both residential and commercial waterproofing projects.
🌊 Severe Water Exposure Areas – Provides a robust solution in structures vulnerable to high water ingress.
Compatible Substrates
✔ Concrete raft or slab
✔ Newton Fibran XPS 500-C closed-cell extruded polystyrene insulation
🔹 BS 8102:2022 Compliance – Newton CDM 520 eco aligns with UK structural waterproofing standards and should be installed by a Newton Specialist Contractor (NSBC) for optimal performance.
Product Specifications
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Product Codes: M4 (20m²), M13 (10m²)
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Sizes:
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M4 – 2m x 20m (40m²)
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M13 – 2m x 10m (20m²)
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Colour: Black
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Weight: 37.62kg
Technical Performance
| Feature |
Result |
| Material |
HDPE |
| Density |
1000 g/m² |
| Stud Height |
19mm |
| Membrane Thickness |
1.0mm |
| Compressive Strength (Temporary Load) |
240 kPa |
| Compressive Strength (Permanent Load) |
4 kPa |
| Compressive Strength (Studs Filled with C16 Screed) |
800 kPa |
| Thermal Conductivity |
0.461 W/mK |
| Service Temperature |
-40ºC to 80ºC |
| Water Vapour Resistance |
> 604m Sd |
| Fire Resistance |
Euroclass E |
📥 Download Data Sheets & Installation Guides – See Tab
📞 For technical advice and bulk pricing, call us at 01268 472358.
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