Wykamol CM8 HD 700 Radon Barrier Membrane 2.4m x 20m

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Wykamol CM8 HD 700 is a high-density cavity drain membrane designed for use within Type C waterproofing systems in accordance with BS 8102. The membrane is used to manage water ingress within below-ground structures by directing water towards perimeter drainage channels and sump systems. In addition to waterproofing applications, CM8 HD 700 is suitable for projects requiring enhanced durability and radon protection performance. The transparent membrane design assists with accurate fixing placement during installation.

Key Features & Benefits

• High-density cavity drain membrane
• Designed for Type C drained protection waterproofing systems
• Suitable for structural waterproofing applications
• Helps manage groundwater ingress
• Compatible with perimeter drainage channel systems
• Suitable for radon barrier applications
• Waterproof construction
• Resistant to contaminants, salts and root ingress
• Minimal surface preparation required
• Transparent membrane for easier fixing installation
• Easy to cut and shape around openings and details
• Suitable for dry lining systems
• Compatible with timber batten systems
• Immediate finishing after installation
• Minimal impact on existing structures
• Suitable for new-build and refurbishment projects
• Resistant to high and low temperatures
• BBA Certified

Suitable Applications

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

Technical Information

• Product Type: High-density cavity drain membrane
• Membrane Type: Type C drained protection membrane
• Roll Size: 2.4m x 20m
• Waterproofing Standard: BS 8102
• Application Area:
  • Walls
  • Floors
  • Basements
  • Cellars
• Radon Barrier Suitable: Yes
• Installation Compatibility:
  • Timber battens
  • Steel dry lining systems
• Temperature Resistance: Suitable for high and low temperature conditions
• Certification: BBA Certificate 18/5595
• Declaration of Performance: CM8 HD700 Cavity Drain Membrane

Frequently Asked Questions

What is Wykamol CM8 HD 700 used for?

CM8 HD 700 is used within Type C cavity drain waterproofing systems to manage water ingress and create dry internal environments in below-ground structures.

Is CM8 HD 700 suitable for radon protection?

Yes. The membrane is suitable for projects where radon barrier protection is required alongside waterproofing performance.

Can CM8 HD 700 be used in basements?

Yes. The membrane is commonly used in basement and cellar waterproofing systems in both new-build and refurbishment projects.

Can the membrane be used with dry lining systems?

Yes. The membrane is compatible with timber battens and steel dry lining systems.

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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