Wykamol CM8 Cavity Drain Mesh Membrane is a robust, 8mm studded HDPE membrane designed for demanding waterproofing applications where both drainage capability and a direct‑finish surface are required. As part of a Type C cavity drain system compliant with BS 8102, CM8 Mesh provides enhanced drainage capacity compared to thinner membranes, making it ideal for basements, cellars, retaining walls, and other below‑ground structures exposed to higher levels of moisture or hydrostatic pressure.
The membrane features a welded polypropylene mesh on its face, allowing for direct application of plaster, render, or dot‑and‑dab plasterboard, giving installers complete flexibility in how internal finishes are applied. Its deeper 8mm stud profile creates a larger air gap behind the membrane, improving moisture control and helping channel water safely to drainage channels or sump systems without allowing damp to transfer into internal spaces.
Engineered for durability, versatility, and ease of installation, CM8 Mesh is lightweight, easy to cut, and fixed using standard plugs and sealing accessories. Its tough HDPE construction resists chemical attack, rot, and degradation, ensuring long‑term performance even in challenging environments. Suitable for both refurbishment and new‑build projects, it provides a reliable, breathable barrier that supports a wide range of finishing systems while maintaining a dry, stable internal environment.
Key Benefits
- 8mm studded HDPE membrane offering increased drainage capacity
- Integrated polypropylene mesh for direct plastering or dot‑and‑dab finishes
- Ideal for Type C cavity drain systems in line with BS 8102
- Creates a larger air gap to manage moisture and relieve hydrostatic pressure
- Suitable for basements, cellars, and retaining walls
- Durable, chemical‑resistant construction ensuring long‑term protection
- Easy to cut and install using standard fixings and seals
20m long, 1.2 m wide.
Also sold by the metre (£7 per m).
