Type C CDM Waterproofing
221 products
Showing 1 - 36 of 221 products
CDM Type C Cavity Drain Membrane Systems – Mapei, Newton & Wykamol
Clever Shield’s CDM Type C Collection brings together leading waterproofing solutions from Mapei, Newton, and Wykamol. Designed for internal below-ground drainage, our cavity drain membranes, mesh membranes, pumps, fixings, and sealing tapes provide complete systems for long-lasting basement and cellar waterproofing.

Type C Cavity Drain Systems are one of the most trusted methods of below-ground protection, controlling water ingress and safely channeling it to drainage or sump pump systems. Ideal for basement conversions, refurbishments, and commercial projects, these systems ensure a dry, safe, and habitable environment.
Why Choose CDM Type C Waterproofing Systems?
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Trusted Brands – Premium systems from Mapei, Newton & Wykamol.
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Complete Solutions – From mesh membranes for plaster finishes to plain membranes for dry-lining.
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Reliable Accessories – Including membrane tapes, fixings, and drainage channels for watertight installations.
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Effective Water Management – Integrated pumps and drainage systems remove collected water, protecting against damp and mould.
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Versatile Application – Suitable for residential basements, new builds, refurbishments, and commercial structures.
Products in This Collection
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CDM Cavity Drain Membranes – Flexible membranes for Type C internal waterproofing.
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Mesh Membranes – Designed for direct plastering or rendering.
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Membrane Tape & Fixings – Ensure secure and watertight sealing.
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Type C Pumps & Drainage Systems – Keep basements dry with reliable water removal.
Clever Shield’s CDM Type C Systems from Mapei, Newton, and Wykamol deliver complete protection for internal basement waterproofing and below-ground drainage. Trusted by contractors and homeowners alike, our systems provide peace of mind with proven performance.


