Order damp proofing for delivery in Feltham

Which damp proofing can you order in Feltham?

• DPM sheetingHeavy-gauge polythene membrane under concrete floors.
• Weep ventsFor drainage and ventilation at the base of cavities and over trays.
• DPC rollsPolymer and bitumen damp-proof course in standard wall widths.
• Radon barriersGas-resistant membranes for areas that need radon protection.
• Liquid DPM and tankingCoatings for screeds and below-ground walls.

Things to check before you order

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.

Working out quantities for your Feltham job

An extension in Feltham with 20 m of cavity wall needs DPC in both leaves: about 2 rolls in 30 m lengths once laps are allowed for. A 50 m² floor slab needs about 57.5 m² of DPM including laps, which is 1 roll of 4 × 25 m sheeting.

Delivering damp proofing in Feltham

Rolls are light enough to travel with a mixed load and are handed off at the kerb. Feltham is inside our standard mainland delivery area.

• Give us the full postcode for the drop point; deliveries around TW13 are priced to the exact address.
• If neighbours share the access, it helps to let them know a lorry is coming.
• Tell us the best drop point, such as a driveway, front garden or the kerb, and whether a lorry can park close to it.

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 Feltham?

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.

Do you deliver damp proofing to trades and homeowners in Feltham?

Both. Trades can apply for a trade account; homeowners and self-builders can order on a delivered quote.

Do you supply cavity trays?

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