More Information
Part of The Specialist membrane range, Permo Air 160 is Klober's most breathable membrane. Permo Air 160 is a low resistance air-open roof underlay, suitable for pitched roofs. It is the ideal solution where there is a high risk of condensation forming in the roofspace; particularly during the drying out period of a building. This makes it the perfect solution for new-builds. Permo Air 160 roof membrane is BBA approved and NHBC accepted without the need for any additional ventilation such as as tile vents, eaves and ridge ventilation, saving you time and money.
Specifications
Technical Data
BBA Standard Applicable
07/4435
BBA Standard Applicable
07/4435
Roof type for BBA standard
Cold Non-Ventilated and Warm Non-Ventilated Pitch Roof Systems
Wind zones BS5534 2014 Annex A
Zones 1-3
Packaging
Number of Pieces per Carton/Pack
1
Number of Pieces per Pallet
20
Technical Data
BBA Standard Applicable
07/4435
BBA Standard Applicable
07/4435
Roof type for BBA standard
Cold Non-Ventilated and Warm Non-Ventilated Pitch Roof Systems
Wind zones BS5534 2014 Annex A
Zones 1-3
Packaging
Number of Pieces per Carton/Pack
1
Number of Pieces per Pallet
20
Installation
- Permo Air 160 should be installed in line with the details set out in the BBA Certificate and in accordance with BS5534
- An unsupported underlay should provide a drape between rafters sufficient to ensure that water will run away from the batten fixing nail penetrations allowing draining from the eaves gutter
- Contact between the membrane and the roof covering should be avoided during and after installation
- Should be laid with a maximum drape of 15mm
- An underlay support tray should be used at eaves to avoid ponding behind the fascia board and to provide a drip into the guttering
Area of application
- Suitable for Cold and Warm Roofs
- All wind zones with taped headlap
- Wind zones 1-3 with battened headlap
Standards and Certifications