CM3 Cavity Drain Membrane

101.24185.85

Revamp your damp spaces with the Wykamol CM3 Cavity Drain Membrane, a high-quality, 3mm studded membrane ideal for Type C waterproofing or damp-proofing. Easy to install, it quickly transforms wet areas into dry, habitable spaces.

  • Fast track flooring applications (damp barrier)
  • Part of a type C cavity drain membrane system in line with BS8102:2009.
  • Quick to install – minimal preparation needed to wall and floor surfaces.
  • Easy to fold around windows and doors.
  • Easily cut down using a sharp blade.
  • No drying out process – redecoration can occur immediately.
  • Little or no damage to the existing structure.
  • Low and high temperature tolerance.
  • Creates a dry, habitable living space in areas previously suffering from damp/wet conditions.
  • Waterproof, salt inhibiting, root and contaminate resistant.
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CM3 Cavity Drain Membrane
101.24185.85

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CM3 Cavity Drain Membrane
101.24185.85


CM3 Cavity Drain Membrane: Rapid Damp-proofing and Waterproofing Solution

The CM3 Cavity Drain Membrane is a high quality, 3mm studded membrane from Wykamol, designed for Type C waterproofing or damp-proofing. It helps to create a grade 3 environment according to BS8102:2009 and NHBC Chapter 5.4, turning damp or wet spaces into dry, habitable areas.

Efficient and Versatile

  • Ideal for fast-track flooring applications as a damp barrier.
  • Part of a type C cavity drain membrane system, in line with BS8102:2009.
  • Easy to install with minimal preparation required for wall and floor surfaces.
  • Easily cut down using a sharp blade and folded around windows and doors.
  • No drying out process needed – redecoration can occur immediately.
  • Suitable for walls, floors, vaults, tunnels, and both above and below ground level.

Robust and Resilient

  • Causes little or no damage to the existing structure.
  • Resistant to both low and high temperatures.
  • Waterproof, salt inhibiting, root and contaminate resistant.
  • High quality structural waterproofing material with a choice of stud height for different drainage capacities and applications.

Application Specifics

  • Requires fixing using Wykamol CM Plaster Plugs or CM Brick Plugs, with studs facing the wall.
  • Recommended application of Wykamol Microsealer to prevent lime efflorescence and dusting.
  • Seal the membrane at the flanges with Wykamol Tape.
  • Stud-to-stud joints are overlapped by at least two rows (three in very wet conditions) and the flat area is then sealed with Wykamol Rope.

Finishings and Aftercare

  • When using a stud frame finishing method, use Wykamol Brick Plugs in a vertical line, and fix the stud frame to the plugs using No. 10 screws (5 mm).
  • CM3 Membrane may be overlaid with closed cell insulation before laying T&G flooring, or a conventional 65 mm of sand and cement screed can be laid.
  • Normal decorating materials can be used as soon as the floor, screed or plaster finishes are dry.
  • Ensure areas lacking natural ventilation have adequate means of condensation control.

Additional information

Weight 21 kg
Dimensions 200.7 × 290 × 200.7 cm
Size: No selection

1M X 20M, 2M x 20M

Brand: No selection

CM, CM3, Wykamol

GTIN: No selection

5060207860154, 5060207863612

Part Number: No selection

CM31X20C, CM32X20C

Manufacture: No selection

CM, CM3, Wykamol

Effective Treatment: No selection

Damp Proofing, Rising Damp, Waterproofing

Service Life: No selection

Indefinite

Size(s) & Packaging: No selection

1 m x 20 m, 2 m x 20 m

Accreditation: No selection

BBA Approved, BS 8102:2022

Appearance: No selection

Clear membrane with 3 mm studs

Storage: No selection

Store in an upright position, under cover, and away from high temperatures and open flamesโ€‹

Shelf Life: No selection

Indefinite

Coverage: No selection

1 m x 20 m = 20 mยฒ, 2 m x 20 m = 40 mยฒ

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