More Information
Part of The Specialist membrane range, Forte 145 is Klober's breathable membrane with superior strength. It is a four-layer roof underlay with a built-in reinforced grid, making it not only ideal for more extreme weather conditions, but highly resistant to accidental damage and annoying nail tears. A low vapour resistance, air permeable roof membrane, Forte 145's fleece is also made of up to 30% recycled material, and is fully recyclable.
Specifications
Technical Data
BBA Standard Applicable
00/3749
BBA Standard Applicable
99/3622
Roof type for BBA standard
Cold Ventilated and Warm Non-Ventilated and Cold Non Ventilated Pitched Roof Systems
Wind zones BS5534 2014 Annex A
Zones 1-4
Packaging
Number of Pieces per Carton/Pack
1
Number of Pieces per Pallet
20
Technical Data
BBA Standard Applicable
00/3749
BBA Standard Applicable
99/3622
Roof type for BBA standard
Cold Ventilated and Warm Non-Ventilated and Cold Non Ventilated Pitched Roof Systems
Wind zones BS5534 2014 Annex A
Zones 1-4
Packaging
Number of Pieces per Carton/Pack
1
Number of Pieces per Pallet
20
Installation
- Permo Forte 145 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 1-4 with battened headlap.
Standards and Certifications