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Building Materials

Damp Proofing & Membranes for sites in West Midlands

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 West Midlands, our damp proofing prices include delivery to your postcode, with the offload agreed when you order.

Rolls of black damp-proof course and a folded damp-proof membrane on a floor slab

West Midlands at a glance

Covering
21 towns across West Midlands
Postcode areas
B, CV, WV, DY, WS
Delivery
Standard mainland delivery
How it arrives
Rolls with a mixed load
Neighbouring areas
Worcestershire, Staffordshire, Warwickshire

Which damp proofing can you order in West Midlands?

  • DPC rollsPolymer and bitumen damp-proof course in standard wall widths.
  • 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.
  • DPM sheetingHeavy-gauge polythene membrane under concrete floors.
  • Liquid DPM and tankingCoatings for screeds and below-ground walls.

Damp Proofing & Membranes delivered in West Midlands towns

A quick quantity check

An extension in West Midlands with 20 m of cavity wall needs DPC in both leaves: about 2 rolls in 30 m lengths once laps are allowed for. A 25 m² floor slab needs about 28.7 m² of DPM including laps, which is 1 roll of 4 × 25 m sheeting.

How delivery works in West Midlands

Rolls are light enough to travel with a mixed load and are handed off at the kerb. Our standard mainland delivery area covers West Midlands.

  • For a phased build we can split the order so materials arrive as each stage starts, which keeps the site clear.
  • If neighbours share the access, it helps to let them know a lorry is coming.
  • Pallets left on a pavement can block the footway, so plan a drop point inside your boundary where you can.

Things to check before you order

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.

DPC width

Match the DPC width to the wall leaf so it runs the full width of the masonry.

In England, building work is checked against the Approved Documents, for example Part A for structure and Part L for energy efficiency, through your council's building control team or a registered building control approver.

Your questions answered

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.

How soon can damp proofing be delivered in West Midlands?

We confirm the delivery date when we price your order, before you commit. It depends on the product, the quantity and whether it is a stock line or made to order.

Is there a minimum order for delivery to West Midlands?

There is no fixed minimum. For very small orders we will tell you honestly if the delivery cost outweighs the materials, so you can decide.

Do you supply cavity trays?

Yes, with stop ends and weep vents for openings and abutments.

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.

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