Twistfix
Wykamol CM20 Waterproof Floor Membrane
Overview
Radon barrier approved - Walls, Floors, Vaults, Tunnels and Above and below ground level Waterproofing applications
The CM20 Cavity Drain Membrane is a 20mm studded membrane, suitable for Type C waterproofing and delivering a grade 3 environment to BS8102:2022 and NHBC Chapter 5.4. CM20 is the highest drainage capacity membrane in the Wykamol Waterproofing range. CM20 is also an excellent radon barrier and has passed all the relevant tests for resistance to this gas.
ADVANTAGES
• Part of a type C cavity drain membrane system in line with BS8102:2022.
• 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)
• Ideal radon barrier membrane The Wykamol range of cavity drain membranes are high quality, structural waterproofing materials, with a choice of stud height for different drainage capacities and applications.
Specification
| Baseline 20 Cavity Drain Membrane | Data |
|---|---|
| Material | HDPE |
| Sheet Thickness | 1mm |
| Membrane Height | 20mm |
| Water Void Capacity | >14.61 l//m² |
| Weight | 1 Kg/m² |
| Water tightness at 60 kPa | >24 hours |
| Working Temperature | -50°C to +80°C |
| Softening Temperature | 126°C |
| Mean Compressive Strength | 165 kN/m² |
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Delivery
Delivery Costs
Below is the standard tariff for guidance purposes.
Actual costs will be confirmed at point of sale and any variances you will be notified within 24 working hours of receipt of order
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Free delivery
We offer free next-day delivery for all orders over £150 (ex VAT) (UK Mainland Only).
Next Day Delivery (UK Mainland Only)
Next day delivery is available for orders placed before 2pm Monday - Friday (working days). Delivery will be made on the next working day.
For orders placed before 2pm on a Friday, delivery will be made on the following Monday. For orders placed after 2pm on a Friday and over the weekend, delivery will be made on the following Tuesday. For orders placed on a Bank Holiday, goods will be dispatched on the next working day (e.g goods will be dispatched on the Tuesday for delivery on Wednesday).
Pre 10.30am and Pre 12:00pm Next Day Delivery
These delivery options are available at an extra charge. Delivery prices are shown at checkout stage. Orders need to be placed before 2pm Monday - Friday (working days) for delivery on the following working day.
International Delivery
Please note we no longer offer international delivery.
Further information regarding Delivery can be read at our Terms & Conditions.
Returns Policy
Items returned and received in their original condition and packaging within 14 days of delivery will be accepted for exchange or refund subject to a 20% restocking fee. You will be responsible for the shipping costs incurred in returning the goods and should ensure the items are adequately insured while in transit to us. You should email sales@twistfix.co.uk to request to return items.
Where the goods are being returned because they are faulty or are not the goods that were ordered then, subject to the goods being returned in re-saleable condition, Twistfix will refund the cost of return shipping. Further information regarding Returns can be read at our Terms & Conditions.
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Waterproof Corner Tape 20m x 200mm
A wide flexible membrane tape for sealing and waterproofing the wall-floor junction of cavity drain membrane systems. This 200mm wide waterproofing tape is available in 20m rolls
- Price excl. VAT
- £45.00
- Price incl. VAT
- £54.00