CM8 Mesh Membrane

Clever Shield CM8 Cavity Drain Mesh Membrane – BBA Certified Basement Waterproofing Solution

Transform damp, unusable spaces into dry, habitable environments with the Clever Shield CM8 Mesh Membrane — a BBA-certified Type C waterproofing system designed for professional basement and below-ground applications.

This high-performance 8mm studded HDPE cavity drain membrane with bonded mesh allows direct plastering or dry lining, saving time on installation while delivering long-term waterproofing protection.

Why Choose Clever Shield CM8 Mesh Membrane?

• BBA Certified (18/5595) – Proven, trusted waterproofing performance
• Type C Waterproofing System – Fully compliant with BS 8102
• Direct Plaster Finish – Mesh surface allows plaster or dot & dab application
• Fast Installation – No drying time required before finishing
• Creates Dry Living Spaces – Achieves Grade 3–4 environments
• Handles Water Effectively – Manages groundwater via drainage systems
• Minimal Prep Needed – Installs onto uneven masonry or concrete
• Durable HDPE Construction – Built for long-term structural movement and harsh conditions

Built for Professional Basement Waterproofing

The Clever Shield CM8 membrane forms a drained cavity between the wall and internal finish, safely directing water into perimeter drainage channels and sump pump systems.

Perfect for:

• Basement waterproofing systems
• Cellar conversions
• Below-ground residential & commercial projects
• Damp wall remediation
• Retrofit waterproofing upgrades

Product Specifications

• Material: High-density polyethylene (HDPE) with bonded mesh
• Stud Height: 8mm
• Roll Sizes:
  • 2m x 10m (20m² coverage)
  • 2m x 20m (40m² coverage)
• Application: Internal walls (below ground)
• Finish Compatibility: Plaster, adhesive dabs, plasterboard

Complete Waterproofing System Compatibility

For optimal performance, install as part of a full system with:

• Perimeter drainage channels
• Sump chambers & pump systems
• Membrane fixing plugs
• Jointing tapes & sealing systems
• Internal plaster or dry lining finishes

This ensures a maintainable, long-term waterproofing solution compliant with UK standards.

Expert Support When You Need It

Not sure what system you need? Our specialists are here to help.

📞 Call our technical team: 01268 472358

Technical Documentation

• Method Statement

  Method Statement CM8 Cavity Drain Mesh Membrane MSCM01 2018 08

  BBA

  BBA Certification Clever Shield CM8 Cavity Drain Mesh Membrane 18 5595

  Performance

  Declaration-of-Performance-CM8-Cavity-Drain-Mesh-Membrane-WPDOP04-2019-06

  TDS

  CM8 Mesh CDM Data Sheet

For full system specifications or installation guidance, contact our technical team.

📞 Technical Support: 01268 472358

Frequently Asked Questions