17
£2,023.41
  • × Chesterfelt Polyester Reinforced Shed Roofing Felt - Charcoal 10m x 1mChesterfelt Polyester Reinforced Shed Roofing Felt - Charcoal 10m x 1m 1 × £34.99
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 390mm x 6m 1 × £137.09
  • × Code 6 Cast Lead - 210mm x 6mCode 6 Cast Lead - 210mm x 6m 1 × £91.39
  • × Easy-Trim Universal Dry Verge System - TerracottaEasy-Trim Universal Dry Verge System - Terracotta 1 × £4.49
  • × Bond It All Weather Roofing Compound - Black 25LBond It All Weather Roofing Compound - Black 25L 1 × £68.99
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 800mm x 6m 1 × £277.54
  • × OB41 Cut Tap Drill Fluid - 400mlOB41 Cut Tap Drill Fluid - 400ml 1 × £11.99
  • × OB1 Grip & Grab Waterproof AdhesiveOB1 Grip & Grab Waterproof Adhesive 1 × £16.99
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 1200mm x 6m 1 × £518.26
  • × Code 8 Lead FlashingALM Code 8 Milled Lead - 850mm x 3m 1 × £291.70
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 390mm x 3m 1 × £84.96
  • × This image displays the front of the product which is a Soudal Genius Gun Gap Filling and Expanding Foam - 500mlSoudal Genius Gun Gap Filling and Expanding Foam - 500ml 1 × £7.99
  • × This image displays the front of the product which is a Ronseal Precision Finish Brush 0.5 InchRonseal Precision Finish Brush - 0.5 Inch 1 × £6.49
  • × This image displays the front of the product which is a Soudal Soudafoam Gap Filler Gun Grade – 750ml (Box of 12)Soudafoam Gap Filler Gun Grade – 750ml (Box of 12) 1 × £60.00
  • × Code 8 Cast Lead - 1000mm x 3mCode 8 Cast Lead - 1000mm x 3m 1 × £345.58
  • × OB41 Fast Tack Contact Adhesive Spray - 500mlOB41 Fast Tack Contact Adhesive Spray - 500ml 1 × £11.99
  • × Cromar Vent 3 Pro Breathable Membrane 1m x 50mCromar Vent 3 Pro Breathable Membrane 1m x 50m 1 × £52.99

Subtotal: £2,023.41

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

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on Orders over £10*

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Shop Bulk

17
£2,023.41
  • × Chesterfelt Polyester Reinforced Shed Roofing Felt - Charcoal 10m x 1mChesterfelt Polyester Reinforced Shed Roofing Felt - Charcoal 10m x 1m 1 × £34.99
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 390mm x 6m 1 × £137.09
  • × Code 6 Cast Lead - 210mm x 6mCode 6 Cast Lead - 210mm x 6m 1 × £91.39
  • × Easy-Trim Universal Dry Verge System - TerracottaEasy-Trim Universal Dry Verge System - Terracotta 1 × £4.49
  • × Bond It All Weather Roofing Compound - Black 25LBond It All Weather Roofing Compound - Black 25L 1 × £68.99
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 800mm x 6m 1 × £277.54
  • × OB41 Cut Tap Drill Fluid - 400mlOB41 Cut Tap Drill Fluid - 400ml 1 × £11.99
  • × OB1 Grip & Grab Waterproof AdhesiveOB1 Grip & Grab Waterproof Adhesive 1 × £16.99
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 1200mm x 6m 1 × £518.26
  • × Code 8 Lead FlashingALM Code 8 Milled Lead - 850mm x 3m 1 × £291.70
  • × ALM Code 5 Milled Lead - 1000mm x 3mALM Code 5 Milled Lead - 390mm x 3m 1 × £84.96
  • × This image displays the front of the product which is a Soudal Genius Gun Gap Filling and Expanding Foam - 500mlSoudal Genius Gun Gap Filling and Expanding Foam - 500ml 1 × £7.99
  • × This image displays the front of the product which is a Ronseal Precision Finish Brush 0.5 InchRonseal Precision Finish Brush - 0.5 Inch 1 × £6.49
  • × This image displays the front of the product which is a Soudal Soudafoam Gap Filler Gun Grade – 750ml (Box of 12)Soudafoam Gap Filler Gun Grade – 750ml (Box of 12) 1 × £60.00
  • × Code 8 Cast Lead - 1000mm x 3mCode 8 Cast Lead - 1000mm x 3m 1 × £345.58
  • × OB41 Fast Tack Contact Adhesive Spray - 500mlOB41 Fast Tack Contact Adhesive Spray - 500ml 1 × £11.99
  • × Cromar Vent 3 Pro Breathable Membrane 1m x 50mCromar Vent 3 Pro Breathable Membrane 1m x 50m 1 × £52.99

Subtotal: £2,023.41

View basketCheckout

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8 x Cromar Vent 3 Pro Breathable Membrane 1m x 50m

Home Shop Roofing Felt Breather Membranes 8 x Cromar Vent 3 Pro Breathable Membrane 1m x 50m
8 x Cromar Vent 3 Pro Breathable Membrane 1m x 50m
Product SKU: FTVENT3PRO1MX50Mx8
£399.99incl VAT.
£333.33excl VAT.
In Stock

8 x 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
Total Price
£399.99 Incl VAT
£333.33 Excl VAT

8 x 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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