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Softwood continues to be the most popular external cladding for most buildings. Western Timber Research and Development Association (). Species all the species are durable and suitable for external use for a minimum 25 years. Imported western red cedar – very good for cladding, light, pliable. Page 1. Cladding Installation details including;. Head, Cill and Jamb. TRADA Drawings supplied by.

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Timber cladding is very much in vogue. Please note that advice is limited to 30 mins per call. Current details are mainly focussed on providing thermal details for both new build and retrofit situations. Cladding on a curved surface should be designed to mitigate water runoff collecting in cavities and capillary action causing high moisture content at joints. Are you sure timbr want delete this item? Want access to British Standards? Again there may be more recent versions of the document.

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Depending on its location, esternal cladding may require pre-treatment with a fire retardant, which must be compatible with any preservative treatments and coatings. In the summer of the idyllic shoreline of Lymington-Keyhaven Nature Reserve was home to a pair of lightweight timber cabins, known collectively as The Observatory. Timber cladding may not be acceptable close to boundaries or above a certain height. Eurocodes Span Tmiber Wood Species.

It is therefore preferable to use vertical boards, with horizontal battens that curve. Timber frame construction 4 Clear All Filters.

Dashboard Account Details Log out. I want to clad onto a curved surface, what should I consider? What board sizes are recommended?

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Supersedes the edition. Horizontal boards cannot be easily bent around tight radial curves, particularly if they have a tongued and grooved profile. Books Online Videos Design Tools.

Other staining may be due to excessive wetting, chemical staining, or pollution. Just take 2 minutes esternal register a FREE account with us first.

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This document Older versions. Commercial consultancy by BM TRADA can also be provided where written or professional opinion is required on specific products or projects. Books Online Videos Design Tools. Board thickness is dependent upon the profile. Please confirm that you agree to us using your personal data in accordance with our Privacy Policy. Measures that can be taken include exteranl building design including water-shedding details to direct rainfall away from the cladding and protecting absorbent surfaces around the ckadding from the runoff during the initial weathering process.


Major Timber Industry Members. Offers guidance to designers and specifiers to enable best practice principles to be applied to external timber cladding.

Detail drawings showing precise methods of construction are available in this section. There are Building Regulations in place which are intended to restrict the spread of fire.

Durable species may be more expensive to specify at the outset trafa may require less maintenance than a cheaper, less durable species. How can I remove staining that has developed on timber cladding? The documents are long and contain many drawings and thermal modelling information.

Free to use BIM project management tool provides step-by-step help to define, manage and validate responsibility for information development and delivery at each stage of the asset life cycle in level 2 BIM projects. Again there may be more recent versions of the document. To view drawings that are within our books, please visit our online books section. The Amber document status indicator indicates that exgernal caution is needed when using this document – it is either: