Building Materials
Damp Proofing & Membranes delivery in Clwyd
Damp proofing materials stop moisture rising or passing through a building: a damp-proof course (DPC) in the walls and a damp-proof membrane (DPM) under the floor.
For sites in Clwyd, our damp proofing prices include delivery to your postcode, with the offload agreed when you order.

Clwyd at a glance
- Covering
- 8 towns across Clwyd
- Postcode areas
- LL, CH
- Delivery
- Standard mainland delivery
- How it arrives
- Rolls with a mixed load
- Neighbouring areas
- Merseyside, Cheshire, Shropshire
Which damp proofing can you order in Clwyd?
- Radon barriersGas-resistant membranes for areas that need radon protection.
- Cavity trays and stop endsTo direct water out of the cavity over openings.
- Weep ventsFor drainage and ventilation at the base of cavities and over trays.
- Liquid DPM and tankingCoatings for screeds and below-ground walls.
- DPM sheetingHeavy-gauge polythene membrane under concrete floors.
Damp Proofing & Membranes delivered in Clwyd towns
- Damp Proofing & Membranes in Wrexham
- Damp Proofing & Membranes in Buckley
- Damp Proofing & Membranes in Deeside
- Damp Proofing & Membranes in Colwyn Bay
- Damp Proofing & Membranes in Flint
- Damp Proofing & Membranes in Rhyl
- Damp Proofing & Membranes in Hawarden
- Damp Proofing & Membranes in Rhosllannerchrugog
Quantities: a worked example
An extension in Clwyd with 16 m of cavity wall needs DPC in both leaves: about 2 rolls in 30 m lengths once laps are allowed for. A 30 m² floor slab needs about 34.5 m² of DPM including laps, which is 1 roll of 4 × 25 m sheeting.
Getting damp proofing onto your Clwyd site
Rolls are light enough to travel with a mixed load and are handed off at the kerb. Our standard mainland delivery area covers Clwyd.
- If the drop point is block paving or soft ground, say so; heavy pallets and bulk bags can mark or sink.
- Have someone on site for the delivery if you can, or agree a safe drop point with us in advance.
- Give us the full postcode for the drop point; deliveries around LL are priced to the exact address.
Things to check before you order
Laps and joints
DPM and DPC need generous laps and sealed joints; follow the manufacturer's guidance.
Is radon protection needed?
Parts of the UK need radon protection in new buildings and extensions. UKHSA radon maps show the areas; building control will tell you what applies.
Wales has its own Approved Documents, including its own Part L for energy efficiency, and building control is handled by the local authority or a registered approver.
Damp Proofing & Membranes questions
How thick should a DPM be?
1200-gauge polythene, around 300 microns, is a common specification for floor slabs. Your design may call for something different.
Do you deliver damp proofing to Clwyd?
Yes. We deliver across Clwyd, including LL, CH. Our standard mainland delivery area covers Clwyd. Send your list or call 0800 088 6341 and we will price it delivered to your postcode.
Do you deliver damp proofing to trades and homeowners in Clwyd?
Both. Trades can apply for a trade account; homeowners and self-builders can order on a delivered quote.
Where does the DPC go?
Usually at least 150 mm above outside ground level, linked to the floor DPM.
Damp Proofing & Membranes in neighbouring areas
- Damp Proofing & Membranes in Merseyside
- Damp Proofing & Membranes in Cheshire
- Damp Proofing & Membranes in Shropshire
- Damp Proofing & Membranes in Greater Manchester
- Damp Proofing & Membranes in Lancashire
More materials delivered across Clwyd
Send your list, get a delivered price
Tell us what you need and where it is going. We check the quantities and come back with a delivered price before you commit.
