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.
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  • 155mm Mayplas Timber Frame Cavity Barrier TCB MP551 CFB (175x150mm) - pack of 5 | Insulation Merchant 155mm Mayplas Timber Frame Cavity Barrier TCB MP551 CFB (175x150mm) - pack of 5 | Insulation Merchant
    TCB CAVITY BARRIER by Mayplas

    MAY/MP551-155150

    155mm Mayplas Timber Frame Cavity Barrier TCB MP551 CFB (175x150mm) - pack of 5

    € Looking for a price?

    Add to a quote for our best rate.

  • ENVIROGRAF Flexible Foiled Cavity Barrier (WB & VWB) - ALL SIZES ENVIROGRAF Flexible Foiled Cavity Barrier (WB & VWB) - ALL SIZES
    WB by Envirograf

    ENVIROGRAF Flexible Foiled Cavity Barrier (WB & VWB) - ALL SIZES

    From €15,95 EUR ex. GB VAT
    €15,95 per LM (linear metre)
    €13,29 per LM (linear metre)
    From €15,95 EUR ex. GB VAT
    €15,95 per LM (linear metre)
    you save €-15,95
    €13,29 per LM (linear metre)
    €0,00 you save €-13,29
  • ENVIROGRAF Flexible Sponge Rainscreen Cavity Barrier (RSF) - ALL SIZES ENVIROGRAF Flexible Sponge Rainscreen Cavity Barrier (RSF) - ALL SIZES
    RSF by Envirograf

    ENVIROGRAF Flexible Sponge Rainscreen Cavity Barrier (RSF) - ALL SIZES

    From €19,95 EUR ex. GB VAT
    €19,95 per LM (linear metre)
    €16,63 per LM (linear metre)
    From €19,95 EUR ex. GB VAT
    €19,95 per LM (linear metre)
    you save €-19,95
    €16,63 per LM (linear metre)
    €0,00 you save €-16,63
  • ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - 1220mm x 130mm x 60mm (170mm cavity) ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - 1220mm x 130mm x 60mm (170mm cavity)
    FFCB by Envirograf

    ENV/FFCB-13060

    ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - 1220mm x 130mm x 60mm (170mm cavity)

    € Looking for a price?

    Add to a quote for our best rate.

  • 70mm Mayplas Timber Frame Cavity Barrier TCB 551 (85x100mm) - pack of 20 70mm Mayplas Timber Frame Cavity Barrier TCB 551 (85x100mm) - pack of 20
    TCB CAVITY BARRIER by Mayplas

    MAY/MP551-85100/PK

    70mm Mayplas Timber Frame Cavity Barrier TCB 551 (85x100mm) - pack of 20

    € Looking for a price?

    Add to a quote for our best rate.

  • 60mm Mayplas Timber Frame Cavity Barrier TCB 551 (75x90mm) - pack of 40 | Insulation Merchant 60mm Mayplas Timber Frame Cavity Barrier TCB 551 (75x90mm) - pack of 40 | Insulation Merchant
    TCB CAVITY BARRIER by Mayplas

    MAY/TCB551-75/PK

    60mm Mayplas Timber Frame Cavity Barrier TCB 551 (75x90mm) - pack of 40

    € Looking for a price?

    Add to a quote for our best rate.

  • 70mm Mayplas Timber Frame Cavity Barrier TCB 551 (85x100mm) - per length 70mm Mayplas Timber Frame Cavity Barrier TCB 551 (85x100mm) - per length
    TCB CAVITY BARRIER by Mayplas

    MAY/TCB551-85

    70mm Mayplas Timber Frame Cavity Barrier TCB 551 (85x100mm) - per length

    € Looking for a price?

    Add to a quote for our best rate.

  • 60mm Mayplas Timber Frame Cavity Barrier TCB 551 (75x90mm) - per length | Insulation Merchant 60mm Mayplas Timber Frame Cavity Barrier TCB 551 (75x90mm) - per length | Insulation Merchant
    TCB CAVITY BARRIER by Mayplas

    MAY/TCB551-75

    60mm Mayplas Timber Frame Cavity Barrier TCB 551 (75x90mm) - per length

    € Looking for a price?

    Add to a quote for our best rate.

  • Delta MS 500 – Cavity Drain Membrane - 2 x 20m Delta MS 500 – Cavity Drain Membrane - 2 x 20m
    MS 500 by Delta Membranes

    DEL/MS5-220

    Delta MS 500 – Cavity Drain Membrane - 2 x 20m

    € Looking for a price?

    Add to a quote for our best rate.

  • Delta MS 500 – Cavity Drain Membrane - 2.4 x 20m Delta MS 500 – Cavity Drain Membrane - 2.4 x 20m
    MS 500 by Delta Membranes

    DEL/MS5-2420

    Delta MS 500 – Cavity Drain Membrane - 2.4 x 20m

    € Looking for a price?

    Add to a quote for our best rate.

  • Firezero Multi Sock Cavity Stop TCB (Red) - 1200mm x 131-140mm Firezero Multi Sock Cavity Stop TCB (Red) - 1200mm x 131-140mm
    TCB CAVITY BARRIER by Firezero

    FZ/MS-131

    Firezero Multi Sock Cavity Stop TCB (Red) - 1200mm x 131-140mm

    €8,95 EUR ex. GB VAT
    €8,95 EUR ex. GB VAT
    you save €-8,95
    €0,00 you save €-7,46