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Klober Ltd offers a range of roof ventilation products and accessories to prevent excessive condensation forming in a roof void. Klober Permo Air, an ‘air-open' membrane, has been accepted by the NHBC for use without the need for supporting high level ventilation. In addition to its long-established Permo underlays Klober also manufactures vapour control layers and air barriers, traditional tile / slate vents, specialist airtightness tapes, sealants and sealing collars,solar panel fixing accessories, lead-free flashings, dry fixing products for ridge, hip, verge and valley, roof safety products and wall / underfloor ventilation accessories.

Klober products are designed for universal use and are supported by a research and development team which consistently introduces new concepts in pitched roofing. Its always strives to ensure that products exceed Building Standard requirements and customer needs. CPD presentations are available on subjects such as roofing airtightness and are supported by on-site/in-house training on all aspects of roof ventilation.

Klober supports and works alongside construction industry training colleges and provides technical support to key roofing industry associations to help improve roofing standards. It has also been a long-time sponsor of the UK's largest construction skills competition SkillBuild.
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Technical data sheet
Butylon is a double-sided tape for sealing nail penetrations through underlays as well as sealing...
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Product catalogue
Dry-Fix roofing is the term used to describe the mechanical fixing of the roof perimeter at the r...
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Product catalogue
Achieving optimum flat roof drainage is crucial to maximise performance and lifespan. Standing wa...
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Easy-Form® Tape
Multi-functional highly flexible roofing tape.
- H60 Plain roof tiling, H61 Fibre cement slating, H62 Natural slating, H64 Wood shingle and shake roofing, H65 Single lap roof tiling, H67 Metal single lap roof tiling, J41 Reinforced bitumen membrane roof coverings
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Klober 10K Slate Vent
In addition to roof space ventilation at high or low level, with an adaptor pack, the UV resistant polypropylene 10K Slate Vent can also be used for soil ventilation or mechanical extraction.
- H62 Natural slating, H61 Fibre cement slating
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Klober 3-in-1 Eaves Vent Pack
The Eaves Vent Pack is an all-in-one eaves ventilation system comprising of rafter trays, fascia vents and underlay support trays.
- H62 Natural slating, H61 Fibre cement slating, H60 Plain roof tiling, H65 Single lap roof tiling

Image gallery

Air barrier used for striking zinc-clad self-build
Airtightness tapes in BREEAM Excellent project
Airtightness tapes, sealants and collars
Easy-Form coloured lead-free flashing
Klober airtightness products put to the test
Klober at the Building Centre

Quality Assurance

Klober Ltd is certified to the following Quality Assurance schemes/standards:
BS EN ISO 9001: 2008 – IAB
BBA Certificate 00/3749 – 00/3749 Permo Forte NG and Permo Forte NG Sk² for use in cold non-ventilated roofs
BBA Certificate 02/3895 – 02/3895 GRP flashings
BBA Certificate 02/3958 – 02/3958 Permo Frame breather membrane
BBA Certificate 07/4435_1 – 07/4435_1 Permo Air LR Air Open Roof membrane for use in warm non-ventilated pitched roof systems
BBA Certificate 07/4435_2 – 07/4435_2 Permo Air LR Air Open Roof membrane for use in cold non-ventilated pitched roof systems
BRE Certificate: 105/03 – Sepa forte roof underlay
BRE Certificate: 119/06 – Sepa Light roofing underlay
BBA Certificate 14/5110_1 – 14/5110_1 Permo Ecovent for use in warm non-ventilated and cold ventilated roofs
BBA Certificate 14/5110_2 – 14/5110_1 Permo Ecovent for use in cold non-ventilated roofs
BBA Certificate 99/3622_1 – 99/3622_1 Permo Forte NG and Permo Forte NG SK² for use in cold ventilated and warn non-ventilated pitched roof systems
BBA Certificate 99/3622_2 – 99/3622_1 Permo Light NG and Permo Light NG SK² for use in cold ventilated and warn non-ventilated pitched roof systems

Trade names

Permo Air
Permo Forte
Permo Frame
Permo Light
Permo RS
Permo Sec
SK2 Extreme

Contact details

Unit 6F,
East Midlands Distribution Centre,
Short Lane,
Castle Donington,
Derbyshire, DE74 2HA
Tel +44 (0)1332 813050
Fax +44 (0)1332 814033

Alternative contacts

Sales Office
Tel +44 (0)800 783 3216
Technical Department
Tel +44 (0)1332 813 051
Fax +44 (0)1332 814 033