Newton CDM 508 Membrane – BBA Certified 8mm Cavity Drain Membrane for Basements
The Newton CDM 508 Membrane is a high-performance, BBA-certified cavity drain waterproofing solution, ideal for use in basements, cellars, tunnels, and other below-ground structures. Designed to control water ingress, this maintainable Type C waterproofing system meets BS 8102:2022 standards, providing a long-term moisture barrier and gas protection against radon, methane, and hydrocarbon gases.
📜 Certified Quality – BBA Certified (94/3010) with a 30-year guarantee and a life expectancy exceeding 50 years (DIN 9001:2000).
Key Benefits
✔ Minimal Wall Preparation Required – No need for extensive or damaging surface preparation.
✔ Fast Installation – Easy-to-fit, ensuring efficient project completion.
✔ Vapour Control – Works effectively with humidity control systems to maintain a Grade 3 habitable environment.
✔ Gas-Resistant – Independently certified barrier against radon, methane, and hydrocarbon gases.
✔ Compatible with Newton CDM System Components – Seamless integration with Newton’s drainage and pumping systems for complete water management.
Available Variants
🔹 CDM 508 (M1) – 2.4m x 20m (48m²)
🔹 CDM 508 eco Floor (M2) – 2.5m x 20m (50m²)
🔹 CDM 508R Gas Barrier (M1R & M2R) – 2.4m x 20m & 2.07 x 20m (48m² & 41.4m²)
🔹 CDM 508 Mesh (M3) – 2m x 20m (40m²)
Typical Applications
🏗 Basements & Cellars – Used in both new-build and retrofit waterproofing projects.
🏛 Historic & Listed Buildings – Protects walls while maintaining structural integrity.
🛤 Tunnels, Vaults & Arches – Effective against water ingress and ground gases.
🔹 Complies with BS 8102:2022 – The British Standard for below-ground waterproofing.
🔹 Recommended for professional installation by a Newton Specialist Contractor (NSBC) to ensure an integrated and maintainable waterproofing system.
Newton CDM System Overview
The Newton CDM System is a maintainable basement waterproofing solution certified to BES 6001 by BRE Global, making it the most failsafe form of below-ground waterproofing.
🛠 4 Key Components:
1️⃣ Cavity Drain Membranes – Capture water at the point of ingress.
2️⃣ Drainage Systems – Channels and directs water safely away.
3️⃣ Pumping Systems – Newton Titan-Pro Sump System ensures efficient water removal.
4️⃣ Control Systems – Automated alarms and monitoring systems for reliability.
🔹 Newton PAC-500 System – Offers combined waterproofing and gas protection for areas at risk of ground gases.
Technical Specifications
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Code: M1-7-40
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Size: 2m x 20m
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Colour: White
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Weight: 500g/m²
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Area Coverage: 40m²
📥 Download Data Sheets, Installation Guides & BBA Certificates – Available upon request.
📞 For expert guidance, call us at 01268 472358.
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