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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.

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

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

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.

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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