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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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