Building Materials
Damp Proofing & Membranes delivered across West Sussex
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.
SK Trade delivers damp proofing across West Sussex, including Crawley, Worthing, Bognor Regis and Littlehampton, priced to your postcode before you order.

West Sussex at a glance
- Covering
- 9 towns across West Sussex
- Postcode areas
- RH, BN, PO
- Delivery
- Standard mainland delivery
- How it arrives
- Rolls with a mixed load
- Neighbouring areas
- East Sussex, Surrey, Hampshire
What damp proofing can we deliver to West Sussex?
- Radon barriersGas-resistant membranes for areas that need radon protection.
- DPC rollsPolymer and bitumen damp-proof course in standard wall widths.
- DPM sheetingHeavy-gauge polythene membrane under concrete floors.
- Weep ventsFor drainage and ventilation at the base of cavities and over trays.
- Cavity trays and stop endsTo direct water out of the cavity over openings.
Damp Proofing & Membranes delivered in West Sussex towns
- Damp Proofing & Membranes in Crawley
- Damp Proofing & Membranes in Worthing
- Damp Proofing & Membranes in Bognor Regis
- Damp Proofing & Membranes in Littlehampton
- Damp Proofing & Membranes in Horsham
- Damp Proofing & Membranes in Haywards Heath
- Damp Proofing & Membranes in Chichester
- Damp Proofing & Membranes in Burgess Hill
- Damp Proofing & Membranes in East Grinstead
Working out quantities for your West Sussex job
An extension in West Sussex with 20 m of cavity wall needs DPC in both leaves: about 2 rolls in 30 m lengths once laps are allowed for. A 15 m² floor slab needs about 17.2 m² of DPM including laps, which is 1 roll of 4 × 25 m sheeting.
Getting damp proofing onto your West Sussex site
Rolls are light enough to travel with a mixed load and are handed off at the kerb. Our standard mainland delivery area covers West Sussex.
- Clear a level area for pallets, ideally on boards, so materials stay out of standing water.
- Have someone on site for the delivery if you can, or agree a safe drop point with us in advance.
- For a phased build we can split the order so materials arrive as each stage starts, which keeps the site clear.
Choosing damp proofing
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.
Laps and joints
DPM and DPC need generous laps and sealed joints; follow the manufacturer's guidance.
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.
Damp Proofing & Membranes questions
Can you deliver damp proofing to a site with restricted access in West Sussex?
Usually, yes. Tell us about the access when you ask for a price and we will plan the vehicle and offload, or say if a smaller vehicle is needed.
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 West Sussex?
Yes. We deliver across West Sussex, including RH, BN, PO. Our standard mainland delivery area covers West Sussex. Send your list or call 0800 088 6341 and we will price it delivered to your postcode.
Do I need a radon barrier?
It depends on where you are. In radon-affected areas building control requires radon protection in new buildings and extensions.
Damp Proofing & Membranes in neighbouring areas
- Damp Proofing & Membranes in East Sussex
- Damp Proofing & Membranes in Surrey
- Damp Proofing & Membranes in Hampshire
- Damp Proofing & Membranes in Greater London
- Damp Proofing & Membranes in Berkshire
More materials delivered across West Sussex
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.
