Description
Wykamol CM3 Mesh Membrane 1m x 20m
Available in other variants - View all CM3 Mesh Membrane Products
Wykamol CM3 Mesh Membrane is a high-density polyethylene (HDPE) cavity drain membrane designed for use within Type C waterproofing systems. The 3mm stud profile creates a drainage cavity between the substrate and internal finish, allowing water to be safely managed through a suitable drainage system. Featuring an integrated mesh surface, the membrane allows direct plaster application, making it a popular choice for basement waterproofing, cellar conversions and structural waterproofing projects.
Key Features & Benefits
- High-density polyethylene (HDPE) membrane
- 3mm studded cavity drain profile
- Integrated mesh surface for direct plaster application
- Designed for Type C cavity drain waterproofing systems
- Suitable for basement and cellar waterproofing
- Helps manage water ingress behind internal finishes
- Minimal substrate preparation required
- No drying-out period required before finishing
- Flexible membrane for easy installation around details
- Easy to cut and shape around pipes, windows and doors
- Resistant to water ingress
- Resistant to salts commonly found in below-ground structures
- Resistant to root penetration
- Space-saving low-profile design
- Compatible with plaster finishes
- Compatible with dot and dab plasterboard systems
Suitable Applications
- Basement waterproofing
- Cellar conversions
- Structural waterproofing
- Damp-proofing projects
- Internal waterproof wall systems
- Type C cavity drain systems
- Residential waterproofing projects
- Commercial waterproofing projects
- Renovation and refurbishment projects
- Below-ground structures
Technical Information
- Product Type: Cavity drain mesh membrane
- Material: High Density Polyethylene (HDPE)
- Stud Height: 3mm
- Surface Finish: Mesh finish for plaster application
- Waterproofing Type: Type C cavity drain system
- Roll Size: 1m x 20m
- Coverage: 20m²
- Approximate Weight: 11kg
-
Compliance:
- BS 8102:2009
- NHBC Chapter 5.4
-
Compatible Finishes:
- Direct plaster
- Dot and dab plasterboard
-
Storage:
- Store upright
- Store under cover
- Protect from extreme temperatures
- Life Expectancy: Lifetime of the structure when correctly installed
Frequently Asked Questions
What is Wykamol CM3 Mesh Membrane used for?
CM3 is designed for waterproofing walls within Type C cavity drain systems, commonly used in basements, cellars and below-ground structures.
Can plaster be applied directly to the membrane?
Yes. The integrated mesh surface is designed to accept direct plaster application.
Is CM3 suitable for basement conversions?
Yes. CM3 is widely used in basement and cellar conversion projects where a dry internal finish is required.
How long does CM3 membrane last?
When correctly installed, the membrane is designed to provide service for the lifetime of the structure.
Technical Specifications
| Specification | Details |
|---|---|
| Material | High Density Polyethylene (HDPE) |
| Stud Height | 3mm |
| Waterproofing Type | Type C Cavity Drain System |
| Surface | Mesh finish for plaster |
| Life Expectancy | Lifetime of the structure when installed correctly |
| Storage | Store upright in a covered area away from extreme temperatures |
Available Sizes
| Size | Weight | Coverage |
|---|---|---|
| 1m x 10m | 6kg | 10m² |
| 1m x 20m | 11kg | 20m² |
| 1.2m x 20m | 12kg | 24m² |
| 2m x 20m | 21kg | 40m² |
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Frequently Asked Questions
What is CM3 cavity drain membrane used for?
The CM3 cavity drain mesh membrane is used for basement waterproofing and damp-proofing applications. It forms part of a Type C cavity drain system, allowing water to drain safely behind the membrane while protecting internal finishes.
Can plaster be applied directly to CM3 membrane?
Yes. The mesh surface of the CM3 membrane allows plaster to be applied directly, removing the need for additional backing boards and reducing installation time.
Is CM3 membrane suitable for basement conversions?
Yes. CM3 membranes are widely used in basement and cellar conversions to create dry, habitable environments in accordance with BS 8102 waterproofing standards.
How long does cavity drain membrane last?
High-density polyethylene (HDPE) cavity drain membranes such as CM3 are designed to last for the lifetime of the structure when installed correctly.
Need Help Choosing the Right Waterproofing System?
Our waterproofing specialists can help you choose the correct membrane and accessories for your project.
📞 Call us: 01268 472358
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