4
£773.97
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  • × This image displays the box which you'll receive if you purchase this product, this image also shows the product itself with the text 'X 25' next to it, this indicates you get 25 of this product in the box.Bond It Bath Mate Bath & Kitchen Sealant - White EU3 Box of 25 1 × £38.99
  • × 20 x Cromar Vent 3 Classic Breathable Membrane - 1m x 50m20 x Cromar Vent 3 Classic Breathable Membrane - 1m x 50m 1 × £660.00

Subtotal: £773.97

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4
£773.97
  • × Bond It Bitumen Paint - Black 25LBond It Bitumen Paint - Black 25L 1 × £64.99
  • × Siroflex Painters Caulk-It - 310mlSiroflex Painters Caulk-It - 310ml 1 × £9.99
  • × This image displays the box which you'll receive if you purchase this product, this image also shows the product itself with the text 'X 25' next to it, this indicates you get 25 of this product in the box.Bond It Bath Mate Bath & Kitchen Sealant - White EU3 Box of 25 1 × £38.99
  • × 20 x Cromar Vent 3 Classic Breathable Membrane - 1m x 50m20 x Cromar Vent 3 Classic Breathable Membrane - 1m x 50m 1 × £660.00

Subtotal: £773.97

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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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