Collection: 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.
Shop by category in Cavity Barriers
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ENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap)
CV by EnvirografENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap)
- Regular price
- £24.46 per item
- Unit Price
- £12.23 per LM (linear metre)
- Ex-Vat Price
- £20.38 per item
- Unit Price
- £10.19 per LM (linear metre)
- Regular price
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£24.46Save £0.00 - Sale price
- £24.46 per item
- Unit Price
- £12.23 per LM (linear metre)
- Regular price
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£20.38Save £0.00 - Ex-VAT Price
- £20.38 per item
- Unit Price
- £10.19 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
ENVIROGRAF CV30/4 Flexible Strip Cavity Barrier - 2m x 30mm x 4mm (30-45mm Gap)
CV by EnvirografENVIROGRAF CV30/4 Flexible Strip Cavity Barrier - 2m x 30mm x 4mm (30-45mm Gap)
- Regular price
- £18.86 per item
- Unit Price
- £9.43 per LM (linear metre)
- Ex-Vat Price
- £15.72 per item
- Unit Price
- £7.86 per LM (linear metre)
- Regular price
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£18.86Save £0.00 - Sale price
- £18.86 per item
- Unit Price
- £9.43 per LM (linear metre)
- Regular price
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£15.72Save £0.00 - Ex-VAT Price
- £15.72 per item
- Unit Price
- £7.86 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
ENVIROGRAF CV30/8 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 8mm (60-70mm Gap)
CV by EnvirografENVIROGRAF CV30/8 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 8mm (60-70mm Gap)
- Regular price
- £29.39 per item
- Unit Price
- £14.69 per LM (linear metre)
- Ex-Vat Price
- £24.49 per item
- Unit Price
- £12.25 per LM (linear metre)
- Regular price
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£29.39Save £0.00 - Sale price
- £29.39 per item
- Unit Price
- £14.69 per LM (linear metre)
- Regular price
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£24.49Save £0.00 - Ex-VAT Price
- £24.49 per item
- Unit Price
- £12.25 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - pack of 40
TCB CAVITY BARRIER by Mayplas50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - pack of 40
This product is not available.
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Rockwool SCB (Sleeved Cavity Barrier) for Masonry, Timber and Steel-frame [Replacement for TCB & PWCB]
![Rockwool SCB (Sleeved Cavity Barrier) for Masonry, Timber and Steel-frame [Replacement for TCB & PWCB]](//insulationmerchant.com/cdn/shop/files/Rockwool_SCB-Batt.webp?v=1751356132&width=1000)
SCB (SLEEVED CAVITY BARRIER) by ROCKWOOL®Rockwool SCB (Sleeved Cavity Barrier) for Masonry, Timber and Steel-frame [Replacement for TCB & PWCB]
- Regular price
- From £7.56 per item
- Unit Price
- £6.30 per LM (linear metre)
- Ex-Vat Price
- From £6.30 per item
- Unit Price
- £5.25 per LM (linear metre)
- Regular price
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£8.40Save £0.84 - Sale price
- From £7.56 per item
- Unit Price
- £6.30 per LM (linear metre)
- Regular price
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£7.00Save £0.70 - Ex-VAT Price
- From £6.30 per item
- Unit Price
- £5.25 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
ENVIROGRAF CV30/15 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 15mm (100-120mm Gap)
CV by EnvirografENVIROGRAF CV30/15 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 15mm (100-120mm Gap)
- Regular price
- £45.48 per item
- Unit Price
- £22.74 per LM (linear metre)
- Ex-Vat Price
- £37.90 per item
- Unit Price
- £18.95 per LM (linear metre)
- Regular price
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£45.48Save £0.00 - Sale price
- £45.48 per item
- Unit Price
- £22.74 per LM (linear metre)
- Regular price
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£37.90Save £0.00 - Ex-VAT Price
- £37.90 per item
- Unit Price
- £18.95 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
Tenmat CavGuard Roll 65 (Intumescent Cavity Barrier)
by TenmatTenmat CavGuard Roll 65 (Intumescent Cavity Barrier)
- Regular price
- £58.75 per item
- Unit Price
- £9.33 per LM (linear metre)
- Ex-Vat Price
- £48.96 per item
- Unit Price
- £7.77 per LM (linear metre)
- Regular price
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- Sale price
- £58.75 per item
- Unit Price
- £9.33 per LM (linear metre)
- Regular price
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£0.00Save £-48.96 - Ex-VAT Price
- £48.96 per item
- Unit Price
- £7.77 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
ENVIROGRAF CV30/10 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 10mm (80/90mm Gap)
CV by EnvirografENVIROGRAF CV30/10 Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 10mm (80/90mm Gap)
- Regular price
- £38.65 per item
- Unit Price
- £19.32 per LM (linear metre)
- Ex-Vat Price
- £32.21 per item
- Unit Price
- £16.10 per LM (linear metre)
- Regular price
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£38.65Save £0.00 - Sale price
- £38.65 per item
- Unit Price
- £19.32 per LM (linear metre)
- Regular price
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£32.21Save £0.00 - Ex-VAT Price
- £32.21 per item
- Unit Price
- £16.10 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
100mm Mayplas Masonry Cavity Stop Sock MP552 - per length
MASONRY CAVITY BARRIER by Mayplas100mm Mayplas Masonry Cavity Stop Sock MP552 - per length
This product is not available.
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50mm Mayplas Masonry Cavity Barrier MP552 CSS (65x65mm) - per length
TCB CAVITY BARRIER by Mayplas50mm Mayplas Masonry Cavity Barrier MP552 CSS (65x65mm) - per length
This product is not available.
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ENVIROGRAF Cavity Barrier with Rodent Protection
VWB/M by EnvirografENVIROGRAF Cavity Barrier with Rodent Protection
Looking for a price?
Add to a quote for our best rate.
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ENVIROGRAF RSM Cavity Barrier - ALL SIZES
RSM by EnvirografENVIROGRAF RSM Cavity Barrier - ALL SIZES
- Regular price
- From £24.99 per item
- Unit Price
- £24.99 per LM (linear metre)
- Ex-Vat Price
- From £20.83 per item
- Unit Price
- £20.83 per LM (linear metre)
- Regular price
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- Sale price
- From £24.99 per item
- Unit Price
- £24.99 per LM (linear metre)
- Regular price
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£0.00Save £-20.83 - Ex-VAT Price
- From £20.83 per item
- Unit Price
- £20.83 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
85mm Mayplas Party Wall Timber Frame Cavity Barrier (MP551) (100x300mm) - per length
PARTY WALL CAVITY BARRIER by Mayplas85mm Mayplas Party Wall Timber Frame Cavity Barrier (MP551) (100x300mm) - per length
This product is not available.
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ENVIROGRAF Flexible Sponge Rainscreen Cavity Barrier (RSF) - ALL SIZES
RSF by EnvirografENVIROGRAF Flexible Sponge Rainscreen Cavity Barrier (RSF) - ALL SIZES
Looking for a price?
Add to a quote for our best rate.
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ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (40mm airflow) - ALL SIZES
FFCB (40MM AIR GAP) by EnvirografENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (40mm airflow) - ALL SIZES
- Regular price
- From £17.41 per item
- Unit Price
- £14.51 per LM (linear metre)
- Ex-Vat Price
- From £14.51 per item
- Unit Price
- £12.09 per LM (linear metre)
- Regular price
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- Sale price
- From £17.41 per item
- Unit Price
- £14.51 per LM (linear metre)
- Regular price
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£0.00Save £-14.51 - Ex-VAT Price
- From £14.51 per item
- Unit Price
- £12.09 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
ENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (25mm airflow) - ALL SIZES
FFCB (25MM AIR GAP) by EnvirografENVIROGRAF FFCB Rainscreen Fast Fix Cavity Barrier - (25mm airflow) - ALL SIZES
- Regular price
- From £15.46 per item
- Unit Price
- £12.88 per LM (linear metre)
- Ex-Vat Price
- From £12.88 per item
- Unit Price
- £10.74 per LM (linear metre)
- Regular price
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- Sale price
- From £15.46 per item
- Unit Price
- £12.88 per LM (linear metre)
- Regular price
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£0.00Save £-12.88 - Ex-VAT Price
- From £12.88 per item
- Unit Price
- £10.74 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - per length
TCB CAVITY BARRIER by Mayplas50mm Mayplas Timber Frame Cavity Barrier TCB 551 (65x65mm) - per length
This product is not available.
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100mm Mayplas Timber Frame Cavity Barrier TCB 551 (115x100mm) - pack of 20
TCB CAVITY BARRIER by Mayplas100mm Mayplas Timber Frame Cavity Barrier TCB 551 (115x100mm) - pack of 20
This product is not available.
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ENVIROGRAF CV30/12 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 12mm (95-105mm Gap)
CV by EnvirografENVIROGRAF CV30/12 v Flexible Strip Cavity Barrier (with brackets) - 2m x 30mm x 12mm (95-105mm Gap)
- Regular price
- £42.94 per item
- Unit Price
- £21.47 per LM (linear metre)
- Ex-Vat Price
- £35.78 per item
- Unit Price
- £17.89 per LM (linear metre)
- Regular price
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£42.94Save £0.00 - Sale price
- £42.94 per item
- Unit Price
- £21.47 per LM (linear metre)
- Regular price
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£35.78Save £0.00 - Ex-VAT Price
- £35.78 per item
- Unit Price
- £17.89 per LM (linear metre)
inc. VATex. VATinc. VATex. VAT -
150mm Mayplas Masonry Cavity Stop Sock MP552
MASONRY CAVITY BARRIER by Mayplas150mm Mayplas Masonry Cavity Stop Sock MP552
This product is not available.
![Rockwool SCB (Sleeved Cavity Barrier) for Masonry, Timber and Steel-frame [Replacement for TCB & PWCB]](http://insulationmerchant.com/cdn/shop/files/Rockwool_SCB-Batt.webp?v=1751356132&width=1000)
