What board sizes are recommended?
There are many different profiles, but TRADA recommend that boards should be 150mm maximum in width, to limit the effects of any moisture movement across the board. Board thickness is, however, dependent upon the profile and TRADA also recommend that any individual part of the board, for example the tongue or top edge of a featheredge board, should not be less than 8mm in thickness.
For more detailed information about timber cladding, take a look at our book External Timber Cladding, a comprehensive guide to the design and specification of timber cladding.
We also provides a range of services for building designers and product manufacturers to assist with timber cladding queries, as well as training and cpd.
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