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Insulation & Drylining

PIR Insulation Boards delivered across Greater London

PIR (polyisocyanurate) insulation boards are rigid foam boards with foil facings that give a lot of insulation for their thickness, used in floors, walls, pitched and flat roofs.

For sites in Greater London, our PIR insulation boards prices include delivery to your postcode, with the offload agreed when you order.

Get a delivered priceAbout PIR insulation boards
Foil-faced PIR insulation boards stacked beside rafters in a loft conversion

Greater London at a glance

Covering
73 towns across Greater London
Postcode areas
E, EC, N, NW, SE, SW, W, WC, BR, CR, DA, EN, HA, IG, KT, RM, SM, TW, UB
Delivery
Standard mainland delivery
How it arrives
Wrapped packs
Neighbouring areas
Surrey, Hertfordshire, Buckinghamshire

PIR Insulation Boards we supply in Greater London

  • Foil tape and fixingsTo seal joints and fix boards.
  • General-purpose PIR boards2400 × 1200 mm foil-faced boards for floors, walls and roofs.
  • Thermal laminate boardsPIR bonded to plasterboard.
  • Flat roof boardsBoards for warm flat roof build-ups.
  • Cavity wall boardsBoards sized for partial-fill cavity insulation.

PIR Insulation Boards delivered in Greater London towns

Working out quantities for your Greater London job

Insulating 20 m² of rafters, floor or wall takes 8 boards of 2400 × 1200 mm including offcuts. The thickness depends on the U-value you need, so check it before you order. Try the insulation calculator

Before your Greater London delivery arrives

Boards are light but bulky; they travel in wrapped packs and should be stored flat and dry. Our standard mainland delivery area covers Greater London.

  • Give us the full postcode for the drop point; deliveries around E are priced to the exact address.
  • If the site is up a shared drive or behind other houses, tell us the distance from the road.
  • If the drop point is block paving or soft ground, say so; heavy pallets and bulk bags can mark or sink.

Choosing PIR insulation boards

Sealing joints

Tape the joints with foil tape so the foil layer works as a continuous vapour control layer where the design relies on it.

Thickness for the U-value

The thickness you need depends on the U-value the building regulations require and the rest of the build-up. Manufacturers publish U-value tables; your designer or building control will confirm.

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 PIR insulation boards for Greater London: FAQs

Is PIR better than mineral wool?

PIR insulates more per millimetre, so it suits tight spaces. Mineral wool is non-combustible, cheaper per square metre and better for sound.

What is the foil for?

The foil facing reflects heat, protects the foam and, when joints are taped, can act as a vapour control layer.

Can you deliver PIR insulation boards to a site with restricted access in Greater London?

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.

Can I add other materials to my Greater London delivery?

Yes. Put everything on one list, from PIR insulation boards to fixings and PPE, and we will price it as one delivery where the products can travel together.

PIR Insulation Boards in neighbouring areas

More materials delivered across Greater London

All building materials delivered across Greater London

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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