CM20 Cavity Drain Membrane

173,25299,25

Transform damp, wet spaces into dry, habitable areas with the high drainage capacity of the CM20 Cavity Drain Membrane. Suitable for Type C waterproofing. Available in 2m x 20m and 2m x 10m rolls.

  • Part of a type C cavity drain membrane system in line with BS8102:2009.
  • Gives a high water void volume of 14 litres/m2.
  • Quick to install – easy to roll out along floors.
  • Creates a dry, habitable living space in areas previously suffering from damp or wet conditions.
  • Easily cut down using a sharp blade.
  • Waterproof, salt inhibiting, root and contaminate resistant.
  • Little or no damage to the existing structure.
  • Low and high temperature tolerance.
  • High grade material.
  • Available in rolls of 2m x 20m and 2m x 10m* (*only 20 kg in weight)
CM20 Cavity Drain Membrane
CM20 Cavity Drain Membrane 173,25299,25

We Deliver Across Ireland & UK

  • 14-Day Returns
  • Place Your Order by 1:00pm for next day dispatch
Shop with Confidence

CM20 Cavity Drain Membrane: Superior Waterproofing Solution

The CM20 Cavity Drain Membrane is a powerful tool in the arsenal of waterproofing professionals. This 20mm studded membrane delivers a grade 3 environment to BS8102:2009 and NHBC Chapter 5.4, making it suitable for Type C waterproofing. Featuring the highest drainage capacity in the Wykamol Waterproofing range, this membrane can transform damp, wet spaces into dry, habitable living areas.

High Capacity, High Performance

  • High water void volume of 14 litres/m2, offering superior drainage capacity.
  • Suitable for use on floors and walls in very wet situations, or where a large stud height is needed to maximise insulation values.
  • BBA-approved as suitable for type ‘C’ Cavity Drain Membrane Systems in accordance with BS8102.
  • Forms part of a type C cavity drain membrane system in line with BS8102:2009.

Convenient and Durable

  • Quick and easy to install, the membrane rolls out along floors.
  • Available in 2m width as 20m and 10m rolls. The 10m roll is light enough for individual manual handling.
  • Easily cut down using a sharp blade for specific application requirements.
  • Little or no damage to the existing structure during installation.

Robust Quality

  • Manufactured from high-grade material, the CM20 is designed to last.
  • Resistant to water, salt, roots, and contaminants.
  • Tolerant of both low and high temperatures.

By installing the CM20 Cavity Drain Membrane, you can transform your damp or wet spaces into dry, habitable living areas.

Additional information

Weight N/A
Dimensions N/A
Size: No selection

2M X 10M, 2M x 20M

Q & A

There are no questions yet

Ask a question

Your question will be answered by a store representative or other customers.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Thank you for the question!

Your question has been received and will be answered soon. Please do not submit the same question again.

Error

Warning

An error occurred when saving your question. Please report it to the website administrator. Additional information:

Add an answer

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Thank you for the answer!

Your answer has been received and will be published soon. Please do not submit the same answer again.

Error

Warning

An error occurred when saving your answer. Please report it to the website administrator. Additional information: