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Vista Integrated Breather Membrane

Verified by manufacturer 8 days ago

Vista Breather Membrane 1 x 50 m With Integrated Tape

Easy-Trim Roofing and Construction Products Ltd Variant:

BBA-approved breathable membrane 162 GSM. The integrated tape version is suitable for all wind zones.

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Application

Suitable for:

  • Warm, cold and hybrid roof applications.
  • Scottish sarking boards.
  • Timber & metal framed constructions.
  • Fully supported or unsupported installations.
  • Tiled or slate pitch roofs.

Description

High performance roofing membrane that is vapour permeable, water resistant and airtight. They allow vapour to escape from the inside whilst repelling rainwater from the outside, helping to minimise condensation in the roof space. 

The membranes are available with or without integrated overlap tap.


Weight: 162 GSM


Features and Benefits:

  • Excellent tensile strength / tear resistance.
  • UV Stable for 3 months.
  • Superior 3-layer bond system.
  • Printed cutting grid minimising waste.
  • Available with or without integrated overlap tape. 
  • Wide range of weights available.
  • Available in 1m or 1.5m lengths.
  • Integrated tape allows for faster installation.
  • Integrated tape membranes are suitable for use in all five wind zones.


Quality Standards:

  • BBA certified for warm and cold roof applications BBA 10/4753.
  • Complies to all Wind Zones 1-5.
  • Conforms to BS 5534.2014 Annex A.
  • Type LR Underlay to BS 5250.


Wind Zone Suitability

The wind uplift resistance figures for Easy-Trim breather membrane applies in the geographical wind zones stated on the datasheet, where a well-sealed ceiling is present and the roof has a ridge height of ≤15m, a pitch between 15° and 75°, and a site altitude of ≤100m, and where the topography is not significant.


The required uplift resistance for other roofing projects should be determined using BS 5534: 2014 +A1: 2015 and the declared wind up lift resistance which can be made available through our technical department.

General information

Color

Grey

Yellow

Material

Polypropylene

Shape

Rectangle

Length

50000 mm

Width

1000 mm

1500 mm

Uniclass

Pr_25_57_10_94 Vapour-permeable sheetsPrimary

CAWS

H60/235 Vapour-permeable underlay

H61/235 Vapour-permeable underlay

H62/235 Vapour-permeable underlay

H64/307 Vapour-permeable underlay

H65/235 Vapour-permeable underlay

H67/290 Vapour-permeable underlay

Product range

Breather Membranes

Specification data - Vapour-permeable sheets

Standard

To BS 5534, Annex A.

Guidance for specification option:

  • 345 mm batten gauge batten lap: Zones 1, 2 and 3.
  • 250 mm batten gauge batten lap: Zones 1–5.
  • 345 mm batten gauge taped lap: Zones 1–5.


Class (minimum)

W1.

Material

Polypropylene.

Form

Spun-bonded.

Third-party certification

British Board of Agrément (BBA) Certificate.

Weight (minimum)

162 gsm.

Reaction to fire

Class E.

Water vapour transmission

0.02 m.

TensileStrength

325/ 225 N/50 mm.

Guidance for specification option:

(machine direction/ cross machine direction).

Elongation

45/ 70%.

Guidance for specification option:

(machine direction/ cross machine direction).

Resistance to tearing

185/ 195 N.

Guidance for specification option:

(machine direction/ cross machine direction).

Dimensional stability

<2%.

Flexibility at low temperature

-20°C.

Resistance to air penetration

<0.0005 m³/m²·h·100Pa.

Dimensions

1 x 50 m.

Sustainability data

Contains Red List materials

No

Literature

Integrate Vista Datasheet

Integrate Vista Datasheet

Easy-trim Breather Membrane Guide

Easy-trim Breather Membrane Guide

Breather Installation Guide

Breather Installation Guide

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