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Fire Retardant Cladding

On many large commercial, residential or Government/Local Authority projects fire retardant wood is required in certain areas of the building. Building Regulations may also specify where fire retardant cladding is required particularly in close proximity to other buildings or boundaries.

At Bennetts Timber we are able to provide factory applied fire retardant treatment to timber cladding and other timber products:-

We are able to offer two different processes for fire protection treatment of timber cladding and other timber products.

A: 'NON-COM EXTERIOR' from Lonza Wood Protection. This is a tried and tested fire protection for timber which has been used for over 40 years to provide assured leach resistant surface spread of flame protection for timbers used in exterior situations. Applied under controlled conditions in an industrial treatment vessel the treatment is impregnated into all faces of the timber and unlike coating products need no further maintenance. Non-Com Exterior treatment has a proven durability of over 30 years in building situations and is the only fire retardant treatment accepted by the NHBC for exterior cladding timbers. The lead in time for this treatment is about 5-6 weeks. (A pdf of the Non-Com Exterior Specifiers Guide document is attached below for information.).

B: 'HR-PROF' from Fire Retardant UK Limited. This is a water based product which is easy to apply and possesses high diffusion properties so that it quickly penetrates the surface of the timber substrate. It does not require a protective finishing coat and can be left natural, or if specified, over coated. HR-Prof does not react with galvanised steel, gun nails or zinc coated screws and it can be used both internally and externally. This treatment has been approved on many contracts in the UK as an equivalent to British Standard Class 0 (equivalent to Euro class B Spread of Flame). The lead in time for this treatment is around 2-3 weeks. (A pdf of the HR-Prof Guide Document is attached below for information).

Prices for either type of treatment will be given on receipt of your own specification, which we will be happy to discuss with you in detail. For further information please browse our FACT SHEET on painted cladding.

All technical data for these fire treatments is available on request, or click on the data sheets below for more information. More technical data on fire protection can be found on the BM TRADA website.

For timber substrates that require Euro class B Spread of Flame (equivalent to UK class O) HR-Prof is water based ready to use solution that is absorbed into the surface of the substrate.

Fire can devastate buildings and lives in a matter of minutes. Protecting against the threat and effects of fire is vital. NON-COM Exterior fire retardant timber has a proven track record of reducing the surface spread of flame and the effects of heat and smoke release to provide real assurance and extra time for escape and damage limitation

Call 01472 350151 / 01652 658082 for more details


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