Walls

Wall insulation creates a barrier against heat loss while minimising unwanted noise, keeping your home warm and sound-protected while potentially reducing energy costs. 

Not only does it block out the chill, but it also keeps the heat in, ensuring your home remains at a comfortable temperature throughout the entire year.

Our wall insulation range can be used for all types of projects including EWI, IWI, cavity wall and timber studs. It also caters to solid, brick walls. 

Send us a quote today and our team will get back to you with a competitive price.

Walls

Spring Savings

Spring into action with a variety of deals and savings this season! Shop the deals now!
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Showing 566 of 566 products
  • 140mm Knauf FrameTherm® Roll 32 (3 x 380mm rolls) (3.19m²) | Insulation Merchant
    Top Deals
    Free Shipping
    380mm

    5.0

    FRAMETHERM ROLL 32 by Knauf Insulation

    140mm Knauf FrameTherm® Roll 32 (3 x 380mm rolls) (3.19m²)

    £89.75 per item
    £28.13 per m²
    inc. VAT
    £74.79 per item
    £23.45 per m²
    ex. VAT
    Save £-89.75
    £89.75 per item
    £28.13 per m²
    inc. VAT
    £0.00 Save £-74.79
    £74.79 per item
    £23.45 per m²
    ex. VAT
  • Pro Clima Orcon F - Flexible airtight solid acrylic sealant (600ml) | Insulation Merchant
    Sale 4%
    ORCON F by Pro Clima

    Pro Clima Orcon F - Flexible airtight solid acrylic sealant (600ml)

    £13.25 per item
    £0.02 per ml
    inc. VAT
    £11.04 per item
    £0.02 per ml
    ex. VAT
    £13.92 Save £0.67
    £13.25 per item
    £0.02 per ml
    inc. VAT
    £11.60 Save £0.56
    £11.04 per item
    £0.02 per ml
    ex. VAT
  • SIGA Majpell® 5 Vapour Control Layer - 1.5 x 50m (75m²) | Insulation Merchant
    MAJPELL® by SIGA

    SIGA Majpell® 5 Vapour Control Layer - 1.5 x 50m (75m²)

    £233.70 per item
    £3.11 per m²
    inc. VAT
    £194.75 per item
    £2.60 per m²
    ex. VAT
    Save £-233.70
    £233.70 per item
    £3.11 per m²
    inc. VAT
    £0.00 Save £-194.75
    £194.75 per item
    £2.60 per m²
    ex. VAT
  • 30mm SecilVit Cork Board | Insulation Merchant
    by SecilVit

    SecilVit Cork Board

    From £13.97 per item
    £27.94 per m²
    inc. VAT
    From £11.64 per item
    £23.28 per m²
    ex. VAT
    Save £-13.97
    From £13.97 per item
    £27.94 per m²
    inc. VAT
    £0.00 Save £-11.64
    From £11.64 per item
    £23.28 per m²
    ex. VAT
  • 140mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

    140mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    £110.32 per item
    £21.05 per m²
    inc. VAT
    £91.93 per item
    £17.54 per m²
    ex. VAT
    Save £-110.32
    £110.32 per item
    £21.05 per m²
    inc. VAT
    £0.00 Save £-91.93
    £91.93 per item
    £17.54 per m²
    ex. VAT
  • 90mm Knauf FrameTherm® Roll 35 (3 x 380mm rolls) (6.84m²) | Insulation Merchant
    Top Deals
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    380mm
    FRAMETHERM ROLL 35 by Knauf Insulation

    90mm Knauf FrameTherm® Roll 35 (3 x 380mm rolls) (6.84m²)

    £65.06 per item
    £9.51 per m²
    inc. VAT
    £54.22 per item
    £7.93 per m²
    ex. VAT
    Save £-65.06
    £65.06 per item
    £9.51 per m²
    inc. VAT
    £0.00 Save £-54.22
    £54.22 per item
    £7.93 per m²
    ex. VAT
  • Pro Clima Kaflex Duo - Airtight Cable Grommet (Pack of 15) | Insulation Merchant
    Sale 5%
    KAFLEX by Pro Clima

    Pro Clima Kaflex Duo - Airtight Cable Grommet (Pack of 15)

    £43.50 per item
    £2.90 per ea
    inc. VAT
    £36.25 per item
    £2.42 per ea
    ex. VAT
    £45.84 Save £2.34
    £43.50 per item
    £2.90 per ea
    inc. VAT
    £38.20 Save £1.95
    £36.25 per item
    £2.42 per ea
    ex. VAT
  • Pro Clima Contega Solido EXO100 (External Single-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant
    Sale
    CONTEGA SOLIDO EXO by Pro Clima

    Pro Clima Contega Solido EXO100 (External Single-sided Corner Adhesive Tape) - 30m x 100mm

    £60.40 per item
    inc. VAT
    £50.33 per item
    ex. VAT
    £62.04 Save £1.64
    £60.40 per item
    inc. VAT
    £51.70 Save £1.37
    £50.33 per item
    ex. VAT
  • Pro Clima Solitex Fronta Quattro - Open Facade Membrane (1.5m x 50m) | Insulation Merchant
    Sale
    SOLITEX by Pro Clima

    Pro Clima Solitex Fronta Quattro - Open Facade Membrane (1.5m x 50m)

    £365.60 per item
    £4.87 per m²
    inc. VAT
    £304.67 per item
    £4.06 per m²
    ex. VAT
    £368.16 Save £2.56
    £365.60 per item
    £4.87 per m²
    inc. VAT
    £306.80 Save £2.13
    £304.67 per item
    £4.06 per m²
    ex. VAT
  • 150mm Knauf Loft Roll 40 (Combi-Cut) | Insulation Merchant
    Top Deals
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    LOFT ROLL by Knauf Insulation

    150mm Knauf Loft Roll 40 (Combi-Cut)

    £60.82 per item
    £7.09 per m²
    inc. VAT
    £50.68 per item
    £5.91 per m²
    ex. VAT
    Save £-60.82
    £60.82 per item
    £7.09 per m²
    inc. VAT
    £0.00 Save £-50.68
    £50.68 per item
    £5.91 per m²
    ex. VAT
  • STEICO Multi Tape F - 25m x 60mm | Insulation Merchant
    MULTI TAPE F by Steico

    STEICO Multi Tape F - 25m x 60mm

    £29.17 per item
    £1.16 per LM (linear metre)
    inc. VAT
    £24.31 per item
    £0.97 per LM (linear metre)
    ex. VAT
    Save £-29.17
    £29.17 per item
    £1.16 per LM (linear metre)
    inc. VAT
    £0.00 Save £-24.31
    £24.31 per item
    £0.97 per LM (linear metre)
    ex. VAT
  • SIGA Fentrim® grommet (White) - Internal Airtight Cable & Pipe Sealing | Insulation Merchant
    FENTRIM® by SIGA

    SIGA Fentrim® grommet (White) - Internal Airtight Cable & Pipe Sealing

    From £4.30 per item
    inc. VAT
    From £3.58 per item
    ex. VAT
    Save £-4.30
    From £4.30 per item
    inc. VAT
    £0.00 Save £-3.58
    From £3.58 per item
    ex. VAT
  • 50mm Knauf Omnifit Slab 35 (600mm wide) | Insulation Merchant
    OMNIFIT by Knauf Insulation

    50mm Knauf Omnifit Slab 35 (600mm wide)

    £54.94 per item
    £6.36 per m²
    inc. VAT
    £45.78 per item
    £5.30 per m²
    ex. VAT
    Save £-54.94
    £54.94 per item
    £6.36 per m²
    inc. VAT
    £0.00 Save £-45.78
    £45.78 per item
    £5.30 per m²
    ex. VAT
  • 200mm Knauf Loft Roll 44 (Combi-Cut) - 1140mm x 5.2m | Insulation Merchant
    Top Deals
    Free Shipping
    LOFT ROLL by Knauf Insulation

    200mm Knauf Loft Roll 44 (Combi-Cut) - 1140mm x 6.0m

    £48.78 per item
    £7.13 per m²
    inc. VAT
    £40.65 per item
    £5.94 per m²
    ex. VAT
    Save £-48.78
    £48.78 per item
    £7.13 per m²
    inc. VAT
    £0.00 Save £-40.65
    £40.65 per item
    £5.94 per m²
    ex. VAT
  • Rockwool RWA45 Acoustic Thermal Insulation Slabs
    RWA45 by ROCKWOOL®

    Rockwool RWA45 Acoustic Thermal Insulation Slabs

    From £31.27 per item
    £2.71 per m²
    inc. VAT
    From £26.06 per item
    £2.26 per m²
    ex. VAT
    Save £-31.27
    From £31.27 per item
    £2.71 per m²
    inc. VAT
    £0.00 Save £-26.06
    From £26.06 per item
    £2.26 per m²
    ex. VAT
  • SOUDAL Soudatight LQ Paint On Airtight Membrane (Black) - 4.5kg | Insulation Merchant
    Spring Savings
    SOUDATIGHT by SOUDAL

    SOUDAL Soudatight LQ Paint On Fibre-reinforced Airtight Membrane (Black) - 4.5kg

    £39.97 per item
    £8.88 per kg
    inc. VAT
    £33.31 per item
    £7.40 per kg
    ex. VAT
    £36.54 Save £-3.43
    £39.97 per item
    £8.88 per kg
    inc. VAT
    £30.45 Save £-2.86
    £33.31 per item
    £7.40 per kg
    ex. VAT
  • Pro Clima Roflex 100 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant
    Sale
    ROFLEX by Pro Clima

    Pro Clima Roflex 100 - Airtight Pipe Grommet (Pack of 10)

    £48.90 per item
    £4.89 per ea
    inc. VAT
    £40.75 per item
    £4.08 per ea
    ex. VAT
    £50.40 Save £1.50
    £48.90 per item
    £4.89 per ea
    inc. VAT
    £42.00 Save £1.25
    £40.75 per item
    £4.08 per ea
    ex. VAT
  • SIGA Fentrim® grommet (Black) - External Airtight Cable & Pipe Sealing | Insulation Merchant
    FENTRIM® by SIGA

    SIGA Fentrim® grommet (Black) - External Airtight Cable & Pipe Sealing

    From £4.30 per item
    inc. VAT
    From £3.58 per item
    ex. VAT
    Save £-4.30
    From £4.30 per item
    inc. VAT
    £0.00 Save £-3.58
    From £3.58 per item
    ex. VAT
  • ENVIROGRAF CV30/15 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 15mm (100-120mm Gap) | Insulation Merchant
    Spring Savings
    Free Shipping
    CV by Envirograf

    ENVIROGRAF CV30/15 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 15mm (100-120mm Gap)

    £47.30 per item
    £23.65 per LM (linear metre)
    inc. VAT
    £39.42 per item
    £19.71 per LM (linear metre)
    ex. VAT
    £45.48 Save £-1.82
    £47.30 per item
    £23.65 per LM (linear metre)
    inc. VAT
    £37.90 Save £-1.52
    £39.42 per item
    £19.71 per LM (linear metre)
    ex. VAT
  • STEICOmulti Membra 5 Vapour Control Layer - 50m x 1.5m | Insulation Merchant
    MULTI MEMBRA 5 by Steico

    STEICOmulti Membra 5 Vapour Control Layer - 50m x 1.5m

    £192.38 per item
    £2.56 per m²
    inc. VAT
    £160.32 per item
    £2.14 per m²
    ex. VAT
    Save £-192.38
    £192.38 per item
    £2.56 per m²
    inc. VAT
    £0.00 Save £-160.32
    £160.32 per item
    £2.14 per m²
    ex. VAT