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

Summer Specials

View our summer deals and promotions across our range of products.
Clear all filters

Showing 566 of 566 products

Sort by:
Filter and sort

Filter and sort

Showing 566 of 566 products

Clear all filters
Clear all filters
Showing 566 of 566 products
  • 80mm PIR Insulation Board | Insulation Merchant
    ULTIMATE by Insulation Merchant

    80mm PIR Insulation Board

    Looking for a price?

    Add to a quote for our best rate.

  • 12mm RCM Y-wall Calcium Silicate Sheathing Board (2400x1200mm) | Insulation Merchant
    Y-WALL by RCM

    12mm RCM Y-wall Calcium Silicate Sheathing Board (2400x1200mm)

    Looking for a price?

    Add to a quote for our best rate.

  • 100mm Unilin (Xtratherm) CavityTherm CT/PIR Cavity Wall Boards (Pack of 4) | Insualtion Merchant
    Sale 9%
    CAVITYTHERM by Unilin

    100mm Unilin (Xtratherm) CavityTherm CT/PIR Cavity Wall Boards (Pack of 4)

    £99.90 per item
    £46.25 per m²
    inc. VAT
    £83.25 per item
    £38.54 per m²
    ex. VAT
    £109.90 Save £10.00
    £99.90 per item
    £46.25 per m²
    inc. VAT
    £91.58 Save £8.33
    £83.25 per item
    £38.54 per m²
    ex. VAT
  • 60mm PIR Insulation Board | Insulation Merchant
    by Insulation Merchant

    60mm PIR Insulation Board

    Looking for a price?

    Add to a quote for our best rate.

  • SOUDAL Soudabond Easy - 750ml Gun Grade | Insulation Merchant
    Sale 6%
    Summer
    BOARD ADHESIVE - DOT & DAB by SOUDAL

    SOUDAL Soudabond Easy - 750ml Gun Grade

    £7.71 per item
    inc. VAT
    £6.43 per item
    ex. VAT
    £8.24 Save £0.53
    £7.71 per item
    inc. VAT
    £6.87 Save £0.44
    £6.43 per item
    ex. VAT
  • 85mm Knauf DriTherm Cavity Slab 32 | Insulation Merchant
    DRITHERM 32 by Knauf Insulation

    85mm Knauf DriTherm Cavity Slab 32

    £49.90 per item
    £18.28 per m²
    inc. VAT
    £41.58 per item
    £15.23 per m²
    ex. VAT
    Save £-49.90
    £49.90 per item
    £18.28 per m²
    inc. VAT
    £0.00 Save £-41.58
    £41.58 per item
    £15.23 per m²
    ex. VAT
  • 15mm Knauf Soundshield Plus Plasterboard - Tapered Edge (1200x2400mm) - Single Sheet | Insulation Merchant
    SOUNDSHIELD PLUS by Knauf

    15mm Knauf Soundshield Plus Plasterboard - Tapered Edge (1200x2400mm) - Single Sheet

    Looking for a price?

    Add to a quote for our best rate.

  • 9.5mm Knauf Wallboard Plasterboard - Tapered Edge (1200x2400mm) | Insulation Merchant
    WALLBOARD by Knauf

    9.5mm Knauf Wallboard Plasterboard - Tapered Edge (1200x2400mm)

    Looking for a price?

    Add to a quote for our best rate.

  • 90mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant

    5.0

    ULTRAWOOL by Thermafleece

    90mm Thermafleece UltraWool Slab (390mm wide)

    £247.07 per item
    £57.19 per m²
    inc. VAT
    £205.89 per item
    £47.66 per m²
    ex. VAT
    Save £-247.07
    £247.07 per item
    £57.19 per m²
    inc. VAT
    £0.00 Save £-205.89
    £205.89 per item
    £47.66 per m²
    ex. VAT
  • 140mm Knauf Omnifit Slab 35 (600mm wide) | Insulation Merchant
    OMNIFIT by Knauf Insulation

    140mm Knauf Omnifit Slab 35 (600mm wide)

    £65.05 per item
    £22.59 per m²
    inc. VAT
    £54.21 per item
    £18.82 per m²
    ex. VAT
    Save £-65.05
    £65.05 per item
    £22.59 per m²
    inc. VAT
    £0.00 Save £-54.21
    £54.21 per item
    £18.82 per m²
    ex. VAT
  • 90mm Knauf Omnifit Slab 35 (600mm wide) | Insulation Merchant
    OMNIFIT by Knauf Insulation

    90mm Knauf Omnifit Slab 35 (600mm wide)

    Looking for a price?

    Add to a quote for our best rate.

  • Knauf Omnifit Slab | Insulation Merchant

    5.0

    OMNIFIT by Knauf Insulation

    100mm Knauf Omnifit Slab (400mm wide)

    £58.33 per item
    £20.25 per m²
    inc. VAT
    £48.61 per item
    £16.88 per m²
    ex. VAT
    Save £-58.33
    £58.33 per item
    £20.25 per m²
    inc. VAT
    £0.00 Save £-48.61
    £48.61 per item
    £16.88 per m²
    ex. VAT
  • 50mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    50mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE)

    Looking for a price?

    Add to a quote for our best rate.

  • Pro Clima Aerosanna Fleece | Insulation Merchant
    Sale 5%
    AEROSANA FLEECE by Pro Clima

    Pro Clima Aerosanna Fleece

    Looking for a price?

    Add to a quote for our best rate.

  • 25mm Unilin (Xtratherm) Thin-R PIR Board - per board | Insulation Merchant
    THIN-R PIR BOARD by Unilin

    30mm Unilin (Xtratherm) Thin-R PIR Board - per board

    Looking for a price?

    Add to a quote for our best rate.

  • SIGA Wigluv® 150 External Adhesive Tape - (150mm x 25m) | Insulation Merchant
    WIGLUV® by SIGA

    SIGA Wigluv® 150 External Adhesive Tape - (150mm x 25m)

    £84.80 per item
    £3.39 per LM (linear metre)
    inc. VAT
    £70.67 per item
    £2.83 per LM (linear metre)
    ex. VAT
    Save £-84.80
    £84.80 per item
    £3.39 per LM (linear metre)
    inc. VAT
    £0.00 Save £-70.67
    £70.67 per item
    £2.83 per LM (linear metre)
    ex. VAT
  • 50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - per length | Insulation Merchant
    TCB CAVITY BARRIER by Mayplas

    50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - per length

    This product is not available.

    Enquire for more information and advice.

  • SIGA Fentrim® 330 Grey Adhesive Tape - 150mm | Insulation Merchant
    FENTRIM® by SIGA

    SIGA Fentrim® 330 Grey Adhesive Tape - 150mm

    Looking for a price?

    Add to a quote for our best rate.

  • Mayplas Timber Frame Cavity Barrier TCB 551 | Insulation Merchant
    TCB CAVITY BARRIER by Mayplas

    100mm Mayplas Timber Frame Cavity Barrier TCB 551 (115x100mm) - pack of 20

    This product is not available.

    Enquire for more information and advice.

  • SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m | Insulation Merchant
    MAJCOAT® by SIGA

    SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m

    £296.90 per item
    £3.95 per m²
    inc. VAT
    £247.42 per item
    £3.30 per m²
    ex. VAT
    Save £-296.90
    £296.90 per item
    £3.95 per m²
    inc. VAT
    £0.00 Save £-247.42
    £247.42 per item
    £3.30 per m²
    ex. VAT