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Technical documentation

Technical documentation
Airtightness

AERO 2 HPV

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3 layers vapour permeable underlay.

  • Outer layers of polypropylene and Inner layer of microporous polypropylene.
  • High mechanical properties.
  • Temporary protection for timber frames against wind, rain, snow and dust.
  • Suitable for cold and warm roofs.

Description

The underlay must be installed as detailed in National Building regulations and BBA certi cation. Underlay must be xed on the rafters or roof boards. Draped minimum 15 cm onto proprietary eaves carrier. Horizontaly overlap = 15 cm and verticaly 10 cm.

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The underlay must be installed as detailed in National Building regulations and BBA certi cation. Underlay must be xed on the rafters or roof boards. Draped minimum 15 cm onto proprietary eaves carrier. Horizontaly overlap = 15 cm and verticaly 10 cm.

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Specifications

Reference
AERO2
Lenght overall
50 m
Unit weight in Kg
12
Air impermeability
No
Reference
AERO2
Lenght overall
50 m
Unit weight in Kg
12
Air impermeability
No
Reference
AERO2
Dimensions
1,5m x 50 m
Lenght overall
50 m
Width
1,5 m
Area density
150g/m²
Unit weight in Kg
12
Air impermeability
Yes
Longitudinal / transverse tensile strength
310/240 [N/50mm]
Longitudinal / transverse elongation
70/80 [%]
Temperature resistance
-20 °C
Standards
EN 13859-1
Reaction to fire
Class E (BS EN 13501-1)
Resistance to water penetration
W1
Longitudinal / transverse nail tear strength nominal values
180/210 [N]
Longitudinal / transverse nail tear strength, tolerance
-30/-50|+90/+90
Properties of steam transmission, tolerance
0.2

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