What Is the CDM 508 Mesh Waterproofing Membrane?
The CDM 508 Mesh Waterproofing Membrane is a BBA-approved, 8mm meshed cavity drain waterproofing membrane designed for the internal protection of below-ground structures. Manufactured from high-density polyethylene (HDPE), it incorporates a thermally welded mesh surface to provide a secure mechanical key for plaster, render or plasterboard finishes.
Durable, Certified & Long-Lasting Performance
Backed by a 30-year product guarantee and BBA Agrément Certificate 22/6357, the CDM 508 Mesh Waterproofing Membrane offers exceptional long-term performance. It is inert, non-polluting to drinking water and highly resistant to water, chemicals, salts, acids, hydrocarbons, bacteria and fungi. With a life expectancy equal to the building design life, it is a trusted choice for basement waterproofing in the UK and Ireland.
Ideal for Basements, Walls, Vaults & Tunnels
This membrane is suitable for waterproofing:
- Earth-retained walls
- Vaulted soffits
- Tunnels
- Brick, block or concrete substrates
- ICF walls (with longer fixings)
Part of the Newton CDM System, it works alongside drainage and pumping systems to create a maintainable solution compliant with BS 8102:2022 for Grade 3 environments.
Benefits
- 8mm cavity drain membrane with integrated mesh
- Strong key for plaster, render or dot-and-dab systems
- BBA certified for verified performance
- No extensive or damaging wall preparation required
- Fast installation, minimal disruption
- Rot-proof and resistant to chemicals and salts
- Suitable for a wide range of substrates
- Designed for long-term structural protection
Why Buy From Toner Dampproofing Supplies Ltd?
We supply genuine waterproofing membranes with competitive pricing and fast delivery across the UK and Ireland. With our depot in Belfast, we provide trusted support to contractors, architects and homeowners completing basement waterproofing projects.
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