Building Materials
Damp Proofing & Membranes delivered across Isle of Wight
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 Isle of Wight, our damp proofing prices include delivery to your postcode, with the offload agreed when you order.

Isle of Wight at a glance
- Covering
- 4 towns across Isle of Wight
- Postcode areas
- PO
- Delivery
- Quoted individually (ferry crossing)
- How it arrives
- Rolls with a mixed load
- Neighbouring areas
- Hampshire, Dorset, West Sussex
Damp Proofing & Membranes we supply in Isle of Wight
- Liquid DPM and tankingCoatings for screeds and below-ground walls.
- Cavity trays and stop endsTo direct water out of the cavity over openings.
- DPC rollsPolymer and bitumen damp-proof course in standard wall widths.
- Weep ventsFor drainage and ventilation at the base of cavities and over trays.
- Radon barriersGas-resistant membranes for areas that need radon protection.
Damp Proofing & Membranes delivered in Isle of Wight towns
- Damp Proofing & Membranes in Newport (Isle of Wight)
- Damp Proofing & Membranes in Ryde
- Damp Proofing & Membranes in Cowes
- Damp Proofing & Membranes in Sandown
Estimating your damp proofing
An extension in Isle of Wight with 32 m of cavity wall needs DPC in both leaves: about 3 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.
Delivery to Isle of Wight: what helps
Rolls are light enough to travel with a mixed load and are handed off at the kerb. Deliveries across Isle of Wight need a ferry crossing, so each one is quoted with the crossing included.
- If the drop point is block paving or soft ground, say so; heavy pallets and bulk bags can mark or sink.
- Clear a level area for pallets, ideally on boards, so materials stay out of standing water.
- On busy streets in Isle of Wight, a parking suspension or a quiet time slot can make offloading safer, so tell us about local restrictions you know of.
Getting the right damp proofing
DPC width
Match the DPC width to the wall leaf so it runs the full width of the masonry.
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.
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.
Ordering damp proofing for Isle of Wight: FAQs
Can you deliver damp proofing to a site with restricted access in Isle of Wight?
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 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.
Can I add other materials to my Isle of Wight delivery?
Yes. Put everything on one list, from damp proofing to fixings and PPE, and we will price it as one delivery where the products can travel together.
Damp Proofing & Membranes in neighbouring areas
- Damp Proofing & Membranes in Hampshire
- Damp Proofing & Membranes in Dorset
- Damp Proofing & Membranes in West Sussex
- Damp Proofing & Membranes in Berkshire
- Damp Proofing & Membranes in Surrey
More materials delivered across Isle of Wight
- PIR Insulation Boards in Isle of Wight
- Roofing Materials in Isle of Wight
- Mineral Wool Insulation in Isle of Wight
- Cement in Isle of Wight
- Planed Timber & Mouldings in Isle of Wight
- Anchors, Bolts & Threaded Rod in Isle of Wight
- Concrete & Aircrete Blocks in Isle of Wight
- OSB, MDF & Chipboard in Isle of Wight
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.
