Cavity Barriers

A range of cavity barriers for masonry and timber frames. Both full fill and expanding are available. IF you are looking for a size that is not showing, then please get in touch.
ENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap) | Insulation Merchant

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ROCKWOOL® Cavity Barriers

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

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  • ENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap) | Insulation Merchant
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    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 CV30/4 Flexible Strip Cavity Barrier - 2m x 30mm x 4mm (30-45mm Gap) | Insulation Merchant
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    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 CV30/8 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 8mm (60-70mm Gap) | Insulation Merchant
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    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
  • Rockwool SCB (Sleeved Cavity Barrier) for Masonry, Timber and Steel-frame [Replacement for TCB & PWCB]
    New
    SCB (SLEEVED CAVITY BARRIER) by ROCKWOOL®

    Rockwool SCB (Sleeved Cavity Barrier) for Masonry, Timber and Steel-frame [Replacement for TCB & PWCB]

    From £8.40 per item
    £7.00 per LM (linear metre)
    inc. VAT
    From £7.00 per item
    £5.83 per LM (linear metre)
    ex. VAT
    Save £-8.40
    From £8.40 per item
    £7.00 per LM (linear metre)
    inc. VAT
    £0.00 Save £-7.00
    From £7.00 per item
    £5.83 per LM (linear metre)
    ex. VAT
  • ENVIROGRAF CV30/15 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 15mm (100-120mm Gap) | Insulation Merchant
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    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
  • Tenmat CavGuard Roll 65 (Intumescent Cavity Barrier) | Insulation Merchant
    by Tenmat

    Tenmat CavGuard Roll 65 (Intumescent Cavity Barrier)

    £58.75 per item
    £9.33 per LM (linear metre)
    inc. VAT
    £48.96 per item
    £7.77 per LM (linear metre)
    ex. VAT
    Save £-58.75
    £58.75 per item
    £9.33 per LM (linear metre)
    inc. VAT
    £0.00 Save £-48.96
    £48.96 per item
    £7.77 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
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    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
  • 50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - pack of 40 | Insulation Merchant
    TCB CAVITY BARRIER by Mayplas

    50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - pack of 40

    This product is not available.

    Enquire for more information and advice.

  • Mayplas Masonry Cavity Stop Sock MP552 | Insulation Merchant
    MASONRY CAVITY BARRIER by Mayplas

    100mm Mayplas Masonry Cavity Stop Sock MP552 - per length

    This product is not available.

    Enquire for more information and advice.

  • 50mm Mayplas Masonry Cavity Barrier MP552 CSS (65x65mm) - per length | Insulation Merchant
    TCB CAVITY BARRIER by Mayplas

    50mm Mayplas Masonry Cavity Barrier MP552 CSS (65x65mm) - per length

    This product is not available.

    Enquire for more information and advice.

  • ENVIROGRAF Cavity Barrier with Rodent Protection
    VWB/M by Envirograf

    ENVIROGRAF Cavity Barrier with Rodent Protection

    Looking for a price?

    Add to a quote for our best rate.

  • ENVIROGRAF Flexible Sponge Rainscreen Cavity Barrier (RSF) - ALL SIZES | Insulation Merchant
    RSF by Envirograf

    ENVIROGRAF Flexible Sponge Rainscreen Cavity Barrier (RSF)

    Looking for a price?

    Add to a quote for our best rate.

  • ENVIROGRAF RSM Cavity Barrier - ALL SIZES | Insulation Merchant
    RSM by Envirograf

    ENVIROGRAF RSM Cavity Barrier - ALL SIZES

    From £18.90 per item
    £18.90 per LM (linear metre)
    inc. VAT
    From £15.75 per item
    £15.75 per LM (linear metre)
    ex. VAT
    Save £-18.90
    From £18.90 per item
    £18.90 per LM (linear metre)
    inc. VAT
    £0.00 Save £-15.75
    From £15.75 per item
    £15.75 per LM (linear metre)
    ex. VAT
  • 50mm ARC Timber Frame Cavity Barrier TCB (65x65mm) - per length
    TCB CAVITY BARRIER by ARC

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

    £5.78 per item
    £4.82 per LM (linear metre)
    inc. VAT
    £4.82 per item
    £4.01 per LM (linear metre)
    ex. VAT
    Save £-5.78
    £5.78 per item
    £4.82 per LM (linear metre)
    inc. VAT
    £0.00 Save £-4.82
    £4.82 per item
    £4.01 per LM (linear metre)
    ex. VAT
  • ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (40mm airflow) - ALL SIZES | Insulation Merchant
    FFCB (40MM AIR GAP) by Envirograf

    ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (40mm airflow) - ALL SIZES

    From £17.41 per item
    £14.51 per LM (linear metre)
    inc. VAT
    From £14.51 per item
    £12.09 per LM (linear metre)
    ex. VAT
    Save £-17.41
    From £17.41 per item
    £14.51 per LM (linear metre)
    inc. VAT
    £0.00 Save £-14.51
    From £14.51 per item
    £12.09 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
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    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
  • 85mm Mayplas Party Wall Timber Frame Cavity Barrier (MP551) (100x300mm) - per length
    PARTY WALL CAVITY BARRIER by Mayplas

    85mm Mayplas Party Wall Timber Frame Cavity Barrier (MP551) (100x300mm) - per length

    This product is not available.

    Enquire for more information and advice.

  • ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (25mm airflow) - ALL SIZES | Insulation Merchant
    FFCB (25MM AIR GAP) by Envirograf

    ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (25mm airflow) - ALL SIZES

    From £15.46 per item
    £12.88 per LM (linear metre)
    inc. VAT
    From £12.88 per item
    £10.74 per LM (linear metre)
    ex. VAT
    Save £-15.46
    From £15.46 per item
    £12.88 per LM (linear metre)
    inc. VAT
    £0.00 Save £-12.88
    From £12.88 per item
    £10.74 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.

  • 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.