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Changes to the way you can order
Due to increased delivery costs, we need to implement a minimum order value across our product ranges. The minimum order value is £200 (ex VAT) / £240 (inc VAT). This will enable us to continue to keep our prices low and our service levels high. We thank you for your business and continued support during these unprecedented times.

Cavity Wall Insulation

The external walls of most houses built after 1920 are made of two layers with a gap or cavity between them. Cavity Wall Insulation fills that gap, keeping the warmth in, and saving energy. Cavity wall insulation is one of the most efficient ways to insulate your home, so take a look at our product range, and order now for quick, reliable delivery.

10 Items

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  1. Alticloser FR Plus Cavity Closers (fire rated)
    Alticloser FR Plus Cavity Closers (fire rated)
    As low as
    From  £199.68  inc VAT
    From  £166.40  ex VAT
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  2. Earthwool Dritherm Cavity Slab 32 Ultimate
    Earthwool Dritherm Cavity Slab 32 Ultimate
    As low as
    From  £32.18  inc VAT
    From  £26.82  ex VAT
    Add to Wish List Add to Compare
  3. Celotex CW4000 Cavity Wall Insulation Board
    Celotex CW4000 Cavity Wall Insulation Board
    As low as
    From  £45.70  inc VAT
    From  £38.08  ex VAT
    Add to Wish List Add to Compare
  4. Recticel Eurowall Cavity Wall Insulation
    Recticel Eurowall Cavity Wall Insulation
    As low as
    From  £45.70  inc VAT
    From  £38.08  ex VAT
    Add to Wish List Add to Compare
  5. EcoTherm Eco-Cavity Cavity Wall Insulation
    EcoTherm Eco-Cavity Cavity Wall Insulation
    As low as
    From  £45.70  inc VAT
    From  £38.08  ex VAT
    Add to Wish List Add to Compare
  6. Kooltherm K108 Cavity Board
    Kingspan Kooltherm K108 Cavity Board
    As low as
    From  £90.24  inc VAT
    From  £75.20  ex VAT
    Add to Wish List Add to Compare
  7. Isover CWS Cavity Wall System Insulation
    Isover CWS36 Cavity Wall System Insulation
    As low as
    From  £37.14  inc VAT
    From  £30.95  ex VAT
    Add to Wish List Add to Compare
  8. Speedline Cavity Closers
    Alticloser XPS Cavity Closers
    As low as
    From  £63.00  inc VAT
    From  £52.50  ex VAT
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  9. Rockwool Cavity Insulation
    Rockwool Full Fill Cavity Insulation
    As low as
    From  £28.80  inc VAT
    From  £24.00  ex VAT
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  10. Earthwool Dritherm Cavity Slab 37 Standard
    Earthwool Dritherm Cavity Slab 37 Standard
    As low as
    From  £15.90  inc VAT
    From  £13.25  ex VAT
    Add to Wish List Add to Compare

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Price
  1. 9 items £0.00 - £99.99
  2. 1 item £100.00 and above
Thickness
  1. 7 items 100mm
  2. 7 items 50mm
  3. 1 item 60mm
  4. 8 items 75mm

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View Our Insulation Product Guide

View Our Insulation Product Guides

View Our Floor Insulation Guide

View Our Roof & Loft Insulation Guide

View Our Cavity Wall Insulation Guide