23
£6,674.44
  • × Code 6 Cast Lead - 300mm x 6m 1 × £154.22
  • × Right Hand Klober Contract Dry Verge Unit Grey 1 × £4.90
  • × This image displays the front of the product which is a Spax Phillips PH1 Drill BitsSpax Phillips Ph1 Drill Bits - 25mm (Pack of 5) 1 × £7.49
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 1000mm x 6m 1 × £430.46
  • × Everbuild Lumberjack 550 Floor Adhesive – 600ml (Box of 12) 1 × £75.96
  • × Everbuild 703 Fix & Grout Tile Adhesive - White 750gEverbuild 703 Fix & Grout Tile Adhesive - White 750g 1 × £7.49
  • × This image displays the front of the product which is a Aluflow Rock N Lock Gutter Bracket RAL ColoursAluflow Rock N Lock Gutter Bracket - (RAL Colours) 1 × £13.70
  • × Code 6 Lead FlashingALM Code 6 Milled Lead Flashing - 800mm x 3m 1 × £203.90
  • × Code 8 Lead FlashingALM Code 8 Milled Lead - 180mm x 3m 1 × £62.30
  • × Code 8 Cast Lead - 390mm x 6m 1 × £268.46
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 914mm x 6m 1 × £393.65
  • × Everbuild Forever Ivory Silicone Sealant – 295ml (Box of 12) 1 × £62.88
  • × This image displays the front of the product which is a Everflex Premium+ 450 Builders Silicone - 300ml (Box of 25)Everflex Premium+ 450 Builders Silicone – Brown 300ml (Box of 25) 1 × £132.50
  • × Code 7 Lead FlashingALM Code 7 Milled Lead - 1000mm x 6m 1 × £606.05
  • × Code 5 Cast Lead - 180mm x 6m 1 × £77.11
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 1200mm x 6m 1 × £419.83
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 800mm x 6m 1 × £277.54
  • × Code 5 Cast Lead - 300mm x 3m 1 × £65.69
  • × BoxVTHDTV151blackHambleside Danelaw TV15/1 Flush Fitting Tile Vent - Black (Box of 5) 1 × £114.99
  • × FirmaHold Collated Clipped Head Nails & Fuel Cells - 2.8 x 63/3CFC - Trade Pack - Ring Shank - FirmaGalv + (CLASS 2)FirmaHold Collated Clipped Head Nails & Fuel Cells - 2.8 x 63/3CFC - Ring Shank - FirmaGalv + (CLASS 2) 1 × £3,200.00
  • × This image displays the front of the product which is a Aluflow Downpipe Connector RAL ColoursAluflow Downpipe Connector - (RAL Colours) 1 × £37.16
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 180mm x 3m 1 × £31.15
  • × Cromar Vent 3 Classic Breathable Membrane 1m x 25mCromar Vent 3 Classic Breathable Membrane - 1m x 25m 1 × £26.99

Subtotal: £6,674.44

View basketCheckout

Bank Holiday Notice: Orders placed after 2:00 PM on Friday, August 23rd, will be shipped on Tuesday, August 27th.

BANK HOLIDAY HOURS WE WILL BE CLOSED Fri 18th-Mon 21st April
Any Orders Placed After 2pm On Wednesday 16th will Be Dispatched Tuesday 22nd

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on Orders over £10*

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23
£6,674.44
  • × Code 6 Cast Lead - 300mm x 6m 1 × £154.22
  • × Right Hand Klober Contract Dry Verge Unit Grey 1 × £4.90
  • × This image displays the front of the product which is a Spax Phillips PH1 Drill BitsSpax Phillips Ph1 Drill Bits - 25mm (Pack of 5) 1 × £7.49
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 1000mm x 6m 1 × £430.46
  • × Everbuild Lumberjack 550 Floor Adhesive – 600ml (Box of 12) 1 × £75.96
  • × Everbuild 703 Fix & Grout Tile Adhesive - White 750gEverbuild 703 Fix & Grout Tile Adhesive - White 750g 1 × £7.49
  • × This image displays the front of the product which is a Aluflow Rock N Lock Gutter Bracket RAL ColoursAluflow Rock N Lock Gutter Bracket - (RAL Colours) 1 × £13.70
  • × Code 6 Lead FlashingALM Code 6 Milled Lead Flashing - 800mm x 3m 1 × £203.90
  • × Code 8 Lead FlashingALM Code 8 Milled Lead - 180mm x 3m 1 × £62.30
  • × Code 8 Cast Lead - 390mm x 6m 1 × £268.46
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 914mm x 6m 1 × £393.65
  • × Everbuild Forever Ivory Silicone Sealant – 295ml (Box of 12) 1 × £62.88
  • × This image displays the front of the product which is a Everflex Premium+ 450 Builders Silicone - 300ml (Box of 25)Everflex Premium+ 450 Builders Silicone – Brown 300ml (Box of 25) 1 × £132.50
  • × Code 7 Lead FlashingALM Code 7 Milled Lead - 1000mm x 6m 1 × £606.05
  • × Code 5 Cast Lead - 180mm x 6m 1 × £77.11
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 1200mm x 6m 1 × £419.83
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 800mm x 6m 1 × £277.54
  • × Code 5 Cast Lead - 300mm x 3m 1 × £65.69
  • × BoxVTHDTV151blackHambleside Danelaw TV15/1 Flush Fitting Tile Vent - Black (Box of 5) 1 × £114.99
  • × FirmaHold Collated Clipped Head Nails & Fuel Cells - 2.8 x 63/3CFC - Trade Pack - Ring Shank - FirmaGalv + (CLASS 2)FirmaHold Collated Clipped Head Nails & Fuel Cells - 2.8 x 63/3CFC - Ring Shank - FirmaGalv + (CLASS 2) 1 × £3,200.00
  • × This image displays the front of the product which is a Aluflow Downpipe Connector RAL ColoursAluflow Downpipe Connector - (RAL Colours) 1 × £37.16
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 180mm x 3m 1 × £31.15
  • × Cromar Vent 3 Classic Breathable Membrane 1m x 25mCromar Vent 3 Classic Breathable Membrane - 1m x 25m 1 × £26.99

Subtotal: £6,674.44

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BANK HOLIDAY HOURS WE WILL BE CLOSED Fri 18th-Mon 21st April
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Cromar Vent 3 Pro Breathable Membrane 1m x 50m

Home Shop Roofing Felt Breather Membranes Cromar Vent 3 Pro Breathable Membrane 1m x 50m
Cromar Vent 3 Pro Breathable Membrane 1m x 50m
Product SKU: FTVENT3PRO1MX50M
£52.99incl VAT.
£44.16excl VAT.
In Stock

Cromar Vent 3 Pro Breathable Membrane 1m x 50m comprises a micro-porous polypropylene film surrounded by a 3-layer fabric breather membrane. With its printed light green upper surface and white underside, Vent 3 Pro suits all roofing systems, including tiled, slated, and metal roofs.

The membrane’s high-vapour permeability, waterproof nature, and excellent tensile/tear strength make Vent 3 Pro an ideal product for use in warm and cold roof applications.

  • Long Term Durability
  • UV Stable (3 months exposure)
  • Warm and Cold Roof Application
Quantity Price
1 - 5 £52.99
6 - 11 £50.99
12+ £48.00
Total Price
£52.99 Incl VAT
£44.16 Excl VAT

Cromar Vent 3 Pro Breathable Membrane 1m x 50m is appropriate whether draped unsupported over rafters or laid directly over insulation. Providing a permanent quality breather underlay, which will last the life of the roof construction, will allow the escape of water vapour from within the roof structure and protect against wind-driven rain, snow, and dust.

When tested in accordance with BS5534 2014 Annex A , Vent 3 Pro felt is suitable to be in the applications below and zones attached.

345 mm batten gauge 245mm batten gauge 345mm gauge taped laps 345mm gauge integral tapes
Zones 1 ‐4 All zones All zones All Zones

Additional information

Weight g/m²

165 (±10%)
Colour

Light Green Upper / White Lower
Tensile Strength (EN13859‐1)

MD 320N/50mm TD 270N/50mm
Elongation (EN13859‐1)

MD 80% TD 100%
Nail Tear (EN12310‐1)

MD 290N TD 270N
Hydrostatic Head (BS EN 20811)

>100cm
Water (moisture) Vapour Transmission Sd (EN 12572)

0.02
Reaction to Fire (EN 13501‐1)

Class E
Resistance to streaming water (MOAT69:4.2.2)

Pass
Resistance to water penetration (EN13859‐1)

Class W1
UV Resistance

3 months

Technical Data Sheet

Product Information

Weight g/m²

165 (±10%)
Colour

Light Green Upper / White Lower
Tensile Strength (EN13859‐1)

MD 320N/50mm TD 270N/50mm
Elongation (EN13859‐1)

MD 80% TD 100%
Nail Tear (EN12310‐1)

MD 290N TD 270N
Hydrostatic Head (BS EN 20811)

>100cm
Water (moisture) Vapour Transmission Sd (EN 12572)

0.02
Reaction to Fire (EN 13501‐1)

Class E
Resistance to streaming water (MOAT69:4.2.2)

Pass
Resistance to water penetration (EN13859‐1)

Class W1
UV Resistance

3 months

Technical Data Sheet

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