Wykamol CM8 Cavity Drain Membrane 2m x 10m Clear (20m²)

Available in other variants - View all CM8 Membrane Products

Wykamol CM8 is a clear cavity drain membrane designed for use within Type C waterproofing systems in accordance with BS 8102. The membrane provides drained protection by controlling water ingress behind the waterproofing system and directing groundwater towards perimeter drainage channels and sump systems. Suitable for both new-build and refurbishment projects, CM8 helps create dry internal environments in basements, cellars and other below-ground structures.

Key Features & Benefits

• Type C cavity drain waterproofing membrane
• Designed in accordance with BS 8102 waterproofing principles
• Suitable for below-ground waterproofing systems
• Helps manage groundwater ingress
• Directs water towards drainage channels and sump systems
• Waterproof construction
• Resistant to salts, contaminants and root ingress
• Minimal surface preparation required
• Transparent membrane for accurate fixing plug placement
• Easy to cut and install
• Suitable for timber batten systems
• Compatible with steel dry lining systems
• Immediate finishing after installation
• Minimal impact on existing structures
• Suitable for new-build and retrofit projects
• Resistant to high and low temperatures
• BBA Certified
• Designed for long-term waterproofing performance

Suitable Applications

• Basement waterproofing
• Cellar waterproofing
• Damp wall waterproofing
• Damp floor waterproofing
• Type C cavity drain systems
• Structural waterproofing projects
• New-build waterproofing
• Retrofit waterproofing installations
• Residential waterproofing projects
• Commercial waterproofing projects
• Basement conversion projects
• Below-ground structures

Technical Information

• Product Type: Cavity drain membrane
• Waterproofing Type: Type C drained protection system
• Roll Size: 2m x 10m
• Coverage: 20m²
• Colour: Clear
• Waterproofing Standard: BS 8102
• Application Areas:
  • Walls
  • Floors
  • Basements
  • Cellars
• Installation Compatibility:
  • Timber battens
  • Steel dry lining systems
• Temperature Resistance: Suitable for high and low temperatures
• Certification: BBA Certificate 18/5595
• Declaration of Performance: CM8 Cavity Drain Membrane WPDOP03
• Life Expectancy: Lifetime of structure

Frequently Asked Questions

What is Wykamol CM8 used for?

CM8 is designed for use within Type C cavity drain waterproofing systems to manage water ingress in basements, cellars and below-ground structures.

Why is the membrane transparent?

The clear membrane helps installers accurately position Wykamol fixing plugs during installation.

Can CM8 be installed on walls and floors?

Yes. CM8 is suitable for both wall and floor waterproofing applications within a complete cavity drain system.

Is CM8 suitable for basement conversions?

Yes. CM8 is commonly used in basement conversion projects where a dry, habitable internal environment is required.

BBA

BBA Certification Clever Shield CM8 Cavity Drain Membrane 18 5595

Performance

Declaration Of Performance CM8 HD700 Cavity Drain Membrane WPDOP036 2019 08

Declaration Of Performance CM8 Cavity Drain Membrane WPDOP03 2019 08

TDS

CM8 CDM Data Sheet

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