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Cromar Vent 3 High Performance Breathable Membrane - 1m x 50m - 135gsm

Product Code:
Estimated Delivery:
1 working day

Our price today, excluding delivery and VAT is

£48.48 inc. VAT £40.40

Product Description

Vent 3 high performance triple layered breather membrane, made from 2 high tensile spun bonded polypropylene layers around a micro-porous polypropylene film.


  • Lightweight
  • Flexible
  • Ease of installation
  • Waterproof
  • Durable and hard-wearing
  • Excellent tensile strength
  • High wind uplift resistance
  • UV stable
  • Long-term durability
  • Complies to BS 5534:2014
  • CE certified
  • BBA certified
  • No additional ventilation required
  • High vapour permeability - vapour can pass through, whilst the membrane retains it's waterproof properties

Outer layer: waterproofing surface

Middle layer: breathable waterproof membrane

Inner layer: protection against abrasion and damage, while providing increased strength


  • Suitable for warm AND cold roof application
  • Can be used in supported or unsupported roof systems, regardless of whether they are tile, slate or metal
  • Also suitable draped unsupported over rafters, or laid directly over insulation

Product Specification

Brand Cromar
Compliance Yes
Length 50m
Roll Area 50m²
Weight 135gsm
Width 1m

Delivery, Cancellation & Returns

For our delivery, cancellation and returns policy.

Customer reviews

01 January 2016
Strong membrane - Very easy to lay and seems very tear resistant.