Klober Permo® Air Breather Membrane – 50m x 1.50m (75m2)

SKU: KU0045-15 Category:

Description

Permo® air, a low resistance air-open underlay. It is the ideal solution where there is a high risk of condensation forming in the roofspace. Being both air open & vapour permeable further minimises the risk of condensation forming, particularly during the drying out period of a building. Available in 2 widths 1.5m x 50 and 1m x 50m

Product features & benefits

  • Lowest vapour resistance of all breathable membranes
  • No ventilation required
  • Available in 2 widths: 1.5 x 50m & 1m x 50m
  • Hydrophobically treated
  • Type LR underlay
  • Strong 3 layer material
  • Recyclable
  • UV stable for 4 months
  • Superior nail tear strength

Area of application

  • Cold and warm roof applications
  • Being both air open & vapour permeable further minimises the
  • Risk of condensation forming, particularly during the drying out
  • Period of a building
  • Batten spacing 350mm

UK Wind Zone map
Permo® air zones 1-3 at maximum overlap batten gauge and all zones with Permo® TR plus tape.

Material
Permo® air is a strong 3 layer product consisting of UV stabilised PP fleece and a high performance Meltblown layer

TECHNICAL DATA
Weight EN 1849-2: 160g/m2
Water vapour resistance BS 3177: 0.045 MNs/g
Resistance to water penetration, EN 1928: W1
Resistance to air penetration/wind loads: >2.5 kPa
Tensile strength longitudinal / transverse, BS EN 12311-1: 280N/40mm 200N/40mm
Resistance to tearing (nail shank) longitudinal, BS EN 12310-1: 140N, 130N
Reaction to fire, EN 13501-1, EN 11925-2: E
Resistance to temperature: -40°C to + 80
UV exposure*, EN 13859-1: 4 months

KU0045-15 | 50m x 1,50m (75m2) / 12kg / 20 rolls/pallet

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