Cromar Vent 3 Breather Membrane | Breathable Roof Felt | 1 x 50m or 1.5 x 50m | BBA Approved

Cromar Vent 3, the high performance breather membrane from Cromar Building Products.

Key Benefits:

BBA approved for use in Warm and Cold, Ventilated and Non Ventilated Roofs.

Manufactured in the UK – designed to withstand with our weather conditions.

BBA Certification Highlights:

Certified for use in warm and cold, ventilated and non-ventilated roofs

Weight: 135 grams m2

Tensile Strength: 266 / 184

Nail Tear Strength: 167 / 253

Water Vapour Transmission: 1258

Water Vapour Resistance: 0.16

Watertightness: W1

£4.99 Standard Delivery, or FREE on most orders over £99* (some exclusions apply)

£9.99 Next day delivery is available for orders places before 12 noon. Any orders placed for next day delivery after this time, will take 2 working days to be delivered.

Working/delivery days are Monday to Friday, deliveries will not normally be made Saturday or Sunday.

We offer a 30-day returns policy on on the majority of our items*, as long as the item is unused, undamaged and unopened**. We only ask that the postage is covered by yourself. 


* Please see our delivery page for further details on specific exceptions.

** Some products that are made to order or personalised cannot be returned.

***Exclusions apply for items shipped directly from our suppliers, and some big & bulky items may incur an additional charge. Please see our delivery page for full details. 

Showing 3 of our total 7 reviews, with an average rating of 5 stars. Read all 7 reviews for Vent 3 135g Breathable Membrane.
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Review Summary - 5 out of 5 based on 7 ratings.
April 21, 2024 | RICHARD GLAYSHER
Vent 3 135g Breathable Membrane

Very easy to use as a moisture barrier under the cladding on my shed build project

November 9, 2020 | Duncan
1X50M Vent 3 Breather Membrane - Breathable Roof Felt BBA Approved

great product

November 9, 2020 | Duncan
1X50M Vent 3 Breather Membrane - Breathable Roof Felt BBA Approved

great product

Cromar Vent 3 135g Breathable Membrane

Breathable Roof Felt BBA Approved
  • From £43.62
  • (Delivery from £4.99 )
Item in Stock   |   Usually dispatched within 24 hours
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Free UK Delivery on most orders over £99
Delivery Rates & Information

Delivery Options

Standard Delivery: £4.99 - Free for all orders over £99.*
Next Day Delivery: £9.99 - Available for orders placed before 12:00 PM (Noon).

Important Delivery Notes

Next Day Delivery Cut-off: Orders placed after 12:00 PM (Noon) using Next Day Delivery will be delivered within two working days.
Working Days: Our standard delivery and shipping days are Monday through Friday. We do not normally deliver on Saturdays or Sundays.

Easy 30-Day Returns

We want you to be happy with your purchase! We offer a 30-day returns policy on all items, provided the following conditions are met:
  • The item is unused and undamaged.
  • The item is returned in its original packaging.
  • The customer is responsible for the return postage costs.

Combining Your Order

We always strive to combine your order into a single delivery. However, your order may arrive in multiple shipments if it contains:
  • Items from different warehouses (Standard items).
  • 'Direct' items (These are shipped separately and directly from the supplier) and will arrive separately from other items in your order.

*Exclusions & Additional Charges

The following items may be excluded from standard shipping rates or may incur extra delivery charges:
  • Items Shipped Directly from Suppliers ('Direct' items).
  • Certain Large or Bulky Items.
Want it by Monday 12th October? Order within 11 hours, 49 minutes