Cromar Vent 3 Lightweight Breathable Roofing… (1349P)

£ 29.99INC VAT

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Cromar Vent 3 Lightweight Breathable Roofing Membrane Dark Grey 25m x 1m (1349P)

Waterproof, high performance, triple-layer, breathable membrane. For use in tiled, slated or metal roof systems.

  • Long Lasting
  • Model No:
  • Excellent Tensile & Tear Strength
  • Warm & Cold Roof Applications
  • No Additional Ventilation Required
  • Lightweight, Waterproof & Flexible
  • Long-Term Durability
  • UV-Stable (4 Months Exposure)
  • Clean & Easy to Use

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Rated 5 out of 5 by from Good stuff It’s great and does the job perfectly, used it to air barrier a garden workshop shed, very easy to work with, cut etc.
Date published: 2021-12-14
Rated 5 out of 5 by from Great quality Used this now on 4 different home's easy to use and keeps the home warmer
Date published: 2021-12-01
Rated 5 out of 5 by from lagging the cellar great material to lag the subfloor so it holds the insulation up between the floor joists
Date published: 2021-10-06
Rated 4 out of 5 by from Membrane Used under shed cladding fine. Easy to fix, but tears easy
Date published: 2021-09-11
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Would this work for underfloor insulation using Rockwool

Asked by: quinner83
I used it for that purpose. It should let the air flow through the insulation but keep the moisture out. It is really easy to use as it is strong, doesn't tear, and you can pull it tight and staple.
Answered by: Haneef
Date published: 2021-09-22

I have a fiberglass flat roof with 2 roof lanterns and would like to know if I can use this between the insulation and plasterboard to prevent condensation. Thank you

Asked by: Surbjit
No, I would use a polythene vapour barrier that (almost) entirely blocks vapour. You do not typically want to let warm moist air into a flat roof structure assuming it is timber as there is no way for it to get out the top through the fiberglass, and there is a risk the moisture will condense somewhere within the roof structure. I would then aim to ventilate the room to let the moisture laden air out by other means.
Answered by: Insul856
Date published: 2022-04-02

will this be ok to line the outside of a shed

Hi will this be ok to line the outside of a shed before putting on cladding
Asked by: scottydog14
Vent3 Light is designed as a secondary barrier to wind driven rain and snow, it should not be considered a primary waterproofing layer.
Answered by: trailguru
Date published: 2021-09-04

Is this material plastic or cloth based?

Would be useful to know whether staple gun can be used to apply it?
Asked by: DMC180
It's paper like cloth like material. Staple fun is all you need. Make sure you're using galvanised staples or similar
Answered by: ChocolateChipmunk
Date published: 2018-12-16
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Specification
Brand Cromar
CE Standard (Tested to EN...) EN 13859-1, EN 13859-2.
Colour Dark Grey
Fixings Supplied Fixings & Fittings Not Supplied
Manufacturer Guarantee 1 Year Guarantee
Model Name Vent 3
Pack Size 1
Parent Colour Grey
Pieces in Pack/Case 1
Product Length 25 m
Product Type Lightweight Breathable Roofing Membrane
Product Width 1 m
Total Product Weight 2.56 kg

Downloads

Safety Data Sheet (COSHH)