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
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Showing 564 of 564 products
  • DuPont™ Tyvek® Supro - Breather Roof Membrane - 50m x 1.5m (75m²) | Insulation Merchant
    TYVEK® by DuPont - Performance Building Solutions

    DuPont™ Tyvek® Supro - Breather Roof Membrane - 50m x 1.5m (75m²)

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  • SIGA Dockskin® 200 Mineral Surface Primer - 1kg bottle | Insulation Merchant
    DOCKSKIN® by SIGA

    SIGA Dockskin® 200 Mineral Surface Primer - 1kg bottle

    £41.45 per item
    inc. VAT
    £34.54 per item
    ex. VAT
    Save £-41.45
    £41.45 per item
    inc. VAT
    £0.00 Save £-34.54
    £34.54 per item
    ex. VAT
  • 12.5mm Fermacell SE Handy Size Sheet (1.2 x 1.2m) | Insulation Merchant
    FERMACELL by Fermacell

    12.5mm Fermacell SE Handy Size Sheet (1.2 x 1.2m)

    £21.15 per item
    £14.69 per m²
    inc. VAT
    £17.63 per item
    £12.24 per m²
    ex. VAT
    Save £-21.15
    £21.15 per item
    £14.69 per m²
    inc. VAT
    £0.00 Save £-17.63
    £17.63 per item
    £12.24 per m²
    ex. VAT
  • MARMOX Thermoblock Load Bearing Insulation Block (Extra 100mm) - 140mm (10 p/bx) | Insulation Merchant
    Free Shipping
    THERMOBLOCK - EXTRA 100MM by Marmox

    MARMOX Thermoblock Load Bearing Insulation Block (Extra 100mm) - 140mm (10 p/bx)

    £249.90 per item
    £41.65 per LM (linear metre)
    inc. VAT
    £208.25 per item
    £34.71 per LM (linear metre)
    ex. VAT
    Save £-249.90
    £249.90 per item
    £41.65 per LM (linear metre)
    inc. VAT
    £0.00 Save £-208.25
    £208.25 per item
    £34.71 per LM (linear metre)
    ex. VAT
  • 80mm PIR Insulation Board | Insulation Merchant
    ULTIMATE by Insulation Merchant

    80mm PIR Insulation Board

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

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

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  • 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
  • STEICO Universal (dry) - Sarking, Sheathing & Render Board
    New
    UNIVERSAL (DRY) by Steico

    STEICO Universal (dry) - Sarking, Sheathing & Render Board

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  • Pro Clima Stoppa - 20mm (20 per pack) | Insulation Merchant
    Sale 7%
    STOPPA by Pro Clima

    Pro Clima Stoppa - 20mm (20 per pack)

    £19.20 per item
    £0.96 per ea
    inc. VAT
    £16.00 per item
    £0.80 per ea
    ex. VAT
    £20.76 Save £1.56
    £19.20 per item
    £0.96 per ea
    inc. VAT
    £17.30 Save £1.30
    £16.00 per item
    £0.80 per ea
    ex. VAT
  • Pro Clima Extoseal Encors - 300mm x 20m | Insulation Merchant
    Sale
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Encors - 300mm x 20m

    £276.90 per item
    £13.84 per LM (linear metre)
    inc. VAT
    £230.75 per item
    £11.54 per LM (linear metre)
    ex. VAT
    £284.40 Save £7.50
    £276.90 per item
    £13.84 per LM (linear metre)
    inc. VAT
    £237.00 Save £6.25
    £230.75 per item
    £11.54 per LM (linear metre)
    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
  • 9.5mm Knauf Wallboard Plasterboard - Tapered Edge (1200x2400mm) | Insulation Merchant
    WALLBOARD by Knauf

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

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  • DuPont™ AirGuard® Control - Vapour Control Layer - 1.5 x 50m | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

    DuPont™ AirGuard® Control - Vapour Control Layer - 1.5 x 50m

    £176.90 per item
    £2.35 per m²
    inc. VAT
    £147.42 per item
    £1.97 per m²
    ex. VAT
    Save £-176.90
    £176.90 per item
    £2.35 per m²
    inc. VAT
    £0.00 Save £-147.42
    £147.42 per item
    £1.97 per m²
    ex. VAT
  • 90mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant

    5.0

    ULTRAWOOL by Thermafleece

    90mm Thermafleece UltraWool Slab (390mm wide)

    £220.60 per item
    £51.06 per m²
    inc. VAT
    £183.83 per item
    £42.55 per m²
    ex. VAT
    Save £-220.60
    £220.60 per item
    £51.06 per m²
    inc. VAT
    £0.00 Save £-183.83
    £183.83 per item
    £42.55 per m²
    ex. VAT
  • 140mm Knauf Omnifit Slab 35 (600mm wide) | Insulation Merchant
    OMNIFIT by Knauf Insulation

    140mm Knauf Omnifit Slab 35 (600mm wide)

    £61.20 per item
    £21.25 per m²
    inc. VAT
    £51.00 per item
    £17.71 per m²
    ex. VAT
    Save £-61.20
    £61.20 per item
    £21.25 per m²
    inc. VAT
    £0.00 Save £-51.00
    £51.00 per item
    £17.71 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)

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  • Pro Clima Contega Solido EXO100 (External Single-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant
    CONTEGA SOLIDO EXO by Pro Clima

    Pro Clima Contega Solido EXO200 (External Single-sided Corner Adhesive Tape) - 30m x 200mm

    £121.03 per item
    inc. VAT
    £100.86 per item
    ex. VAT
    Save £-121.03
    £121.03 per item
    inc. VAT
    £0.00 Save £-100.86
    £100.86 per item
    ex. VAT
  • 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

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  • SIGA Majvest® 200 SOB - Breather Membrane with Tape (Particularly for Closed Facade) | Insulation Merchant
    MAJVEST® by SIGA

    SIGA Majvest® 200 SOB - Breather Membrane with Tape (Particularly for Closed Facade)

    £218.65 per item
    £2.91 per m²
    inc. VAT
    £182.21 per item
    £2.43 per m²
    ex. VAT
    Save £-218.65
    £218.65 per item
    £2.91 per m²
    inc. VAT
    £0.00 Save £-182.21
    £182.21 per item
    £2.43 per m²
    ex. VAT
  • 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