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Envirotect XT150 Reflect Wall Breather Membrane

Verified by manufacturer 3 months ago

Permavent Ltd

Spunbond non-woven polypropylene with a high purity aluminium surface designed and developed for use in timber frame, light steel gauge, modular building and leisure building applications.

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Application

Designed and developed for use in timber frame, light steel gauge, modular building and leisure buildings applications.

Delivers first line protection to the external of the building during construction against driving rain, and wind-blown snow providing ultimate protection to the exterior of the building.

Description

Spunbond non-woven polypropylene with a high purity aluminium surface (R-value 0.79 when facing >20 mm still airspace) designed and developed for use in timber frame, light steel gauge, modular building and leisure building applications.


Delivers first line protection to the external of the building during construction against driving rain, and wind-blown snow providing ultimate protection to the exterior of the building.


The high-water vapour permeability provided ensures water vapour can pass through the structure safely into a cavity. The ultra-low emissivity surface enhances the thermal performance of the airspace significantly improving the overall thermal performance of the wall construction when facing a still air cavity.


Features and benefits:

  • Effective condensation control and airtightness within walling construction.
  • Flexible and easy to install.
  • High-purity aluminium surface – enhanced thermal performance.
  • Greatly exceeds the requirements of the updated guidance in building regulations Approved Document Part L.
  • Meet and exceeds waterproofing requirements in BS EN 13589–2:2014 (W2).
  • Prevents water ingress to the structure.
  • Provides comprehensive waterproofing barrier to the sheathing during construction phase.
  • Tgree standard roll sizes.
  • Can be combined with Envirotect AVCLs.
  • Non-reflective version also (Envirotect XT150 wall membrane; specified separately).

General information

Color

Black

Silver

Material

Polypropylene

Aluminium

Shape

Rectangle

Length

10000 mm

5000 mm

Width

2700 mm

1500 mm

500 mm

3000 mm

Uniclass

Pr_25_57_10_94 Vapour-permeable sheetsPrimary

CAWS

H20/155 Sheet cladding (attached to timber battens)

H21/130 Breather membrane

H22/130 Breather membrane

H31/280 Breather membrane

P10/320 Breather membrane

H20/10 Sheet cladding

H21/20 Breather membrane

H22/20 Breather membrane

H30/50 Breather membrane

P10/65 Breather membrane

H20/150 Sheet cladding (attached to metal support systems)

H30/350 Breather membrane

H31/55 Breather membrane

Specification data - Vapour-permeable sheets

Standard

To BS EN 13859-1 and BS EN 13859-2.

Performance characteristics

Water vapour resistance (Sd): 0.09 m.
Nail tear resistance, to EN 12310-1 (MD/ CD): 220/ 230 N/50mm.
Tensile strength, to BS EN 12311-1 (MD/ CD): 240/ 190 N/50mm.
Flexibility at low temperature: To EN 1109:2013, -40°C.
Emissivity: 0.02.

Guidance for specification option:

MD: Machine direction; CD: Cross direction.

Class (minimum)

W2.

Material

Polypropylene.

Form

Spunbond, non-woven.

Third-party certification

British Board of Agrément (BBA) certificate 22/6247, Product Sheet 3.

Weight (minimum)

150 g/m².

Thickness (minimum)

Manufacturer's standard.

Reflective face

Not applicable.

Roll size

2.7 x 100 m.

1.5 x 50 m.

0.5 x 50 m.

Manufacturer guidance

Width x length.

Thermal resistance (R-value)

0.79 m²K/W.

Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Material

Polypropylene

Aluminium

Recyclability

recyclable

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

100 %

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