Summer Specials

Our incredible Summer Sale is now live!

From new offers on high-performing products to free shipping on popular materials, Insulation Merchant has everything you need, no matter what stage you are at.

If you have a specific project on the go, don’t hesitate to contact our experts with any questions you may have.

  • Free Shipping

    Envirograf

    Free shipping on Envirograf Cavity Strips.

    Shop Envirograf
  • ENVIROGRAF CV30/4 Flexible Strip Cavity Barrier - 2m x 30mm x 4mm (30-45mm Gap) | Insulation Merchant
    Summer
    Free Shipping

    5.0

    CV by Envirograf

    ENVIROGRAF CV30/4 Flexible Strip Cavity Barrier - 2m x 30mm x 4mm (30-45mm Gap)

    £19.61 per item
    £9.80 per LM (linear metre)
    inc. VAT
    £16.34 per item
    £8.17 per LM (linear metre)
    ex. VAT
    £18.86 Save £-0.75
    £19.61 per item
    £9.80 per LM (linear metre)
    inc. VAT
    £15.72 Save £-0.63
    £16.34 per item
    £8.17 per LM (linear metre)
    ex. VAT
  • ENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap) | Insulation Merchant
    Summer
    Free Shipping
    CV by Envirograf

    ENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap)

    £25.54 per item
    £12.77 per LM (linear metre)
    inc. VAT
    £21.28 per item
    £10.64 per LM (linear metre)
    ex. VAT
    £24.46 Save £-1.08
    £25.54 per item
    £12.77 per LM (linear metre)
    inc. VAT
    £20.38 Save £-0.90
    £21.28 per item
    £10.64 per LM (linear metre)
    ex. VAT
  • ENVIROGRAF CV30/8 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 8mm (60-70mm Gap) | Insulation Merchant
    Summer
    Free Shipping
    CV by Envirograf

    ENVIROGRAF CV30/8 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 8mm (60-70mm Gap)

    £30.57 per item
    £15.28 per LM (linear metre)
    inc. VAT
    £25.48 per item
    £12.74 per LM (linear metre)
    ex. VAT
    £29.39 Save £-1.18
    £30.57 per item
    £15.28 per LM (linear metre)
    inc. VAT
    £24.49 Save £-0.98
    £25.48 per item
    £12.74 per LM (linear metre)
    ex. VAT
  • ENVIROGRAF CV30/10 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 10mm (80/90mm Gap) | Insulation Merchant
    Summer
    Free Shipping
    CV by Envirograf

    ENVIROGRAF CV30/10 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 10mm (80/90mm Gap)

    £40.20 per item
    £20.10 per LM (linear metre)
    inc. VAT
    £33.50 per item
    £16.75 per LM (linear metre)
    ex. VAT
    £38.65 Save £-1.55
    £40.20 per item
    £20.10 per LM (linear metre)
    inc. VAT
    £32.21 Save £-1.29
    £33.50 per item
    £16.75 per LM (linear metre)
    ex. VAT
  • ENVIROGRAF CV30/12 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 12mm (95-105mm Gap) | Insulation Merchant
    Summer
    Free Shipping
    CV by Envirograf

    ENVIROGRAF CV30/12 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 12mm (95-105mm Gap)

    £44.66 per item
    £22.33 per LM (linear metre)
    inc. VAT
    £37.22 per item
    £18.61 per LM (linear metre)
    ex. VAT
    £42.94 Save £-1.72
    £44.66 per item
    £22.33 per LM (linear metre)
    inc. VAT
    £35.78 Save £-1.43
    £37.22 per item
    £18.61 per LM (linear metre)
    ex. VAT
20% Discount

Foam Glass Aggregate

Get 20% off on Foam Glass aggregate.

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Foam Glass Aggregate/Gravel - All Sizes
Sale 20%
Summer
AGGREGATE by Foamed Glass UK

Foam Glass Aggregate/Gravel - All Sizes

From £95.88 per item
£159.80 per m³
inc. VAT
From £79.90 per item
£133.17 per m³
ex. VAT
£119.90 Save £24.02
From £95.88 per item
£159.80 per m³
inc. VAT
£99.92 Save £20.02
From £79.90 per item
£133.17 per m³
ex. VAT
10mm PROCTOR Spacetherm® A1 Fire Rated Silica Aerogel Blanket - 2400mm x 1200mm (2.88m²) | Insulation Merchant
Discount

Aerogel Blankets

Save 5% On 10mm Aerogel Blankets

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5mm PROCTOR Spacetherm® A1 Fire Rated Silica Aerogel Blanket - 2400mm x 1200mm (2.88m²) | Insulation Merchant
Sale 24%
Summer
SPACETHERM® by A. Proctor Group

PROCTOR Spacetherm® A1 Fire Rated Silica Aerogel Blanket - 2400mm x 1200mm (2.88m²)

From £240.61 per item
£83.55 per m²
inc. VAT
From £200.51 per item
£69.62 per m²
ex. VAT
£320.01 Save £79.40
From £240.61 per item
£83.55 per m²
inc. VAT
£266.68 Save £66.17
From £200.51 per item
£69.62 per m²
ex. VAT
  • Free Shipping

    Protect Membranes

    Get free shipping on select Protect membrane products.

  • Protect TF200 Thermo Insulating Timber Frame Breather Membrane | Insulation Merchant

    5.0

    TF200 by Protect Membranes

    Protect TF200 Thermo Insulating Timber Frame Breather Membrane (1.5 2.7 & 3m)

    From £192.90 per item
    £3.85 per m²
    inc. VAT
    From £160.75 per item
    £3.22 per m²
    ex. VAT
    Save £-192.90
    From £192.90 per item
    £3.85 per m²
    inc. VAT
    £0.00 Save £-160.75
    From £160.75 per item
    £3.22 per m²
    ex. VAT
  • Protect BarriAir Vapour Control Layer with Integrated Tape - 1.5 x 50m | Insulation Merchant
    Sale 11%
    Top Deals
    Free Shipping
    BARRIAIR by Protect Membranes

    Protect BarriAir Vapour Control Layer with Integrated Tape - 1.5 x 50m

    £119.90 per item
    £1.59 per m²
    inc. VAT
    £99.92 per item
    £1.33 per m²
    ex. VAT
    £135.00 Save £15.10
    £119.90 per item
    £1.59 per m²
    inc. VAT
    £112.50 Save £12.58
    £99.92 per item
    £1.33 per m²
    ex. VAT
  • Protect VC Foil Ultra Reflective Vapour Control Layer | Insulation Merchant

    5.0

    VC FOIL by Protect Membranes

    Protect VC Foil Ultra Reflective Vapour Control Layer

    From £117.85 per item
    £0.87 per m²
    inc. VAT
    From £98.21 per item
    £0.73 per m²
    ex. VAT
    Save £-117.85
    From £117.85 per item
    £0.87 per m²
    inc. VAT
    £0.00 Save £-98.21
    From £98.21 per item
    £0.73 per m²
    ex. VAT
Cewood Value Wood Wool Building Boards
10% Discount

Cewood Wood Wool

Get 10% off on Cewood Value Wood Wool building boards.

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ULTIMATE Value Wood Wool Building Board | Insulation Merchant
Sale 10%
Summer
BUILDING BOARD by Cewood
Cewood

ULTIMATE Value Wood Wool Building Board

From £7.15 per item
£9.93 per m²
inc. VAT
From £5.96 per item
£8.28 per m²
ex. VAT
£7.95 Save £0.80
From £7.15 per item
£9.93 per m²
inc. VAT
£6.63 Save £0.67
From £5.96 per item
£8.28 per m²
ex. VAT
Discount

Corotop Strong

Save 30% on COROTOP Strong - Rood Membrane.

Shop Corotop
COROTOP Strong - Breathable Roof Membrane - 1.5m x 50m (75m²)
Sale 30%
Summer
STRONG by Corotop - Membranes
Corotop

COROTOP Strong - Breathable Roof Membrane - 1.5m x 50m (75m²)

£79.90 per item
£1.06 per m²
inc. VAT
£66.58 per item
£0.89 per m²
ex. VAT
£114.17 Save £34.27
£79.90 per item
£1.06 per m²
inc. VAT
£95.14 Save £28.56
£66.58 per item
£0.89 per m²
ex. VAT
  • Free Shipping

    Knauf Insulation

    Free shipping on select Knauf Insulation.

    Shop Knauf
  • 140mm Knauf FrameTherm® Roll 32 (2 x 570mm rolls) (3.19m²) | Insulation Merchant
    Top Deals
    Free Shipping
    570mm

    5.0

    FRAMETHERM ROLL 32 by Knauf Insulation

    140mm Knauf FrameTherm® Roll 32 (2 x 570mm rolls) (3.19m²)

    £84.79 per item
    £26.58 per m²
    inc. VAT
    £70.66 per item
    £22.15 per m²
    ex. VAT
    Save £-84.79
    £84.79 per item
    £26.58 per m²
    inc. VAT
    £0.00 Save £-70.66
    £70.66 per item
    £22.15 per m²
    ex. VAT
  • 90mm Knauf FrameTherm® Roll 35 (2 x 570mm rolls) (6.84 m²) | Insulation Merchant
    Top Deals
    Free Shipping
    570mm

    5.0

    FRAMETHERM ROLL 35 by Knauf Insulation

    90mm Knauf FrameTherm® Roll 35 (2 x 570mm rolls) (6.84 m²)

    £59.99 per item
    £8.77 per m²
    inc. VAT
    £49.99 per item
    £7.31 per m²
    ex. VAT
    Save £-59.99
    £59.99 per item
    £8.77 per m²
    inc. VAT
    £0.00 Save £-49.99
    £49.99 per item
    £7.31 per m²
    ex. VAT
  • 150mm Knauf Loft Roll 44 (Combi-Cut) | Insulation Merchant
    Top Deals
    Free Shipping
    LOFT ROLL by Knauf Insulation

    150mm Knauf Loft Roll 44 (Combi-Cut)

    £48.23 per item
    £5.25 per m²
    inc. VAT
    £40.19 per item
    £4.38 per m²
    ex. VAT
    Save £-48.23
    £48.23 per item
    £5.25 per m²
    inc. VAT
    £0.00 Save £-40.19
    £40.19 per item
    £4.38 per m²
    ex. VAT
  • Knauf Loft Roll 44 | Insulation Merchant
    Top Deals
    Free Shipping

    5.0

    LOFT ROLL by Knauf Insulation

    100mm Knauf Loft Roll 44 (Combi-Cut)

    £49.64 per item
    £3.57 per m²
    inc. VAT
    £41.37 per item
    £2.98 per m²
    ex. VAT
    Save £-49.64
    £49.64 per item
    £3.57 per m²
    inc. VAT
    £0.00 Save £-41.37
    £41.37 per item
    £2.98 per m²
    ex. VAT
  • 75mm Knauf Acoustic Roll (2 x 600mm rolls) | Insulation Merchant
    Top Deals
    Free Shipping
    ACOUSTIC ROLL by Knauf Insulation

    75mm Knauf Acoustic Roll (2 x 600mm rolls)

    £78.05 per item
    £4.49 per m²
    inc. VAT
    £65.04 per item
    £3.74 per m²
    ex. VAT
    Save £-78.05
    £78.05 per item
    £4.49 per m²
    inc. VAT
    £0.00 Save £-65.04
    £65.04 per item
    £3.74 per m²
    ex. VAT
Insulation Support Netting - 1m x (Unknown Length) | Insulation Merchant
5% Discount

1m Insulation Netting

Get 5% off and Free Shipping on 1m Insulation Netting.

Shop Netting
Insulation Support Netting - 1m x 100m | Insulation Merchant
Sale 5%
Summer
Free Shipping

5.0

SUPPORT NETTING by Insulation Merchant
Insulation Merchant

Insulation Support Netting - 1m x 100m

£28.40 per item
£0.28 per m²
inc. VAT
£23.67 per item
£0.24 per m²
ex. VAT
£29.90 Save £1.50
£28.40 per item
£0.28 per m²
inc. VAT
£24.92 Save £1.25
£23.67 per item
£0.24 per m²
ex. VAT