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Wykamol CM20 Black Cavity Drain Membrane (FLOORS) CM202X20

Name: Wykamol CM20 Black Cavity Drain Membrane (FLOORS) CM202X20
Brand: Wykamol
SKU: AD000180
Price: 210.16 GBP
Availability: InStock

SKU

AD000180

(0)

-£67.04

Special Price From £210.16 £175.13 Regular Price From £277.20

Description

Product Information

Wykamol CM20 Cavity Drain Membrane is a dependable internal basement waterproofing option that can shield basement areas from water that has seeped through the building. With a huge capacity of 14m/l, this waterproof membrane is perfect for use on floors and walls in extremely wet environments or when a high stud height is required to maximize insulating qualities and value. CM20 cavity drain membrane produces a dry, comfortable living space in places previously affected by damp or wet areas.

Use & Application

Walls
Floors
Vaults
Tunnels
External foundation waterproofing as insulated dry lining
Internal above-ground waterproofing as insulated dry lining

Benefits

Easy to use as supplied in roll
Gives a high-water void of 14L per m²
Tolerates any temperature
Made using high-grade material
No damage to an existing structure
Provides a dry, comfortable environment in places where previously experienced damp or wet conditions

Specification

More Information
Brand	Wykamol
Manufacturer Part Number	CM202X20

Data Sheets

Delivery Information

Delivery Information

We offer fast and reliable delivery across London, Essex, and surrounding areas beyond the M25.

We aim to deliver on the same or next working day whenever possible for stocked items.
The standard delivery timeframe is 1–5 working days, depending on your location and product type.
Orders are delivered kerbside only — please notify us in advance of any access restrictions.

Once your order is placed, our Customer Care team will be in touch to confirm delivery details.
If your delivery is scheduled for the morning, we will call you the evening before to confirm the timing.
We also send a confirmation email once your order is booked in.
While we always aim to deliver on time, please note that delays may occasionally occur due to circumstances beyond our control (e.g. traffic, supplier delays, access restrictions).

Delivery Areas & Charges

Minimum order values vary by postcode.

Click here to view our full postcode list and delivery thresholds

If your postcode isn’t listed, we may still be able to deliver — please share your address and basket total, and we’ll confirm availability within 24 hours.

Returns & Refunds

We accept returns within 28 days for most unused and resaleable items.
A restocking fee and collection charge may apply.
Some items (e.g. custom-made, opened, or time-sensitive materials) are non-refundable.
Refunds are processed within 28 days to the original payment method.

Please view our full returns policy

Stocked vs. On-Request Products

Stocked items are dispatched promptly from our local branches.
On-request or special order items may take longer. We’ll confirm the expected lead times after checkout.

Questions & Answers

Customer Questions