Joinery Timber is the non-structural use of wood for windows or doors
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Joinery Timber

Joinery Timber is the non-structural use of wood for items such as windows and doors, cladding boards, skirting boards, door linings, staircases and architrave. It also includes decking components such as decking boards, handrails and banisters as well as solar shading.

Brookridge Timber Ltd has long established links with various mills in Scandinavia, Germany, Russia and The Baltics who provide a range of joinery timber in various qualities to satisfy the quality of timber required in all of the above applications. We keep large stocks on product on the ground available for immediate delivery.

The standard governing the quality of joinery timber used in a particular application is BS EN 942 which simply states that timber in joinery shall be suitable for its intended purpose. This standard supersedes BS1186 Part 2.

BS EN 942 defines seven classes and each class is defined by the allowable size of knots and other characteristics in any visible face. Other characteristics include shakes, resin and bark pockets, discoloured sapwood and exposed pith.

The classes of timber are appropriate for different types of joinery. Classes J2 to J30 relate to high quality specialised joinery with classes J2 to J10
unlikely to be achieved using commercial grades of European Softwood. Classes J40 and J50 are for general purpose joinery and are commercially readily available.

Specifiers should remember these characteristics are the requirements after the timber has been incorporated for its intended end use. It is not meant as a classification for the sawn joinery. When machining joinery components from sawn timber the user should at this point use a selection process to eliminate local defects to achieve the required class of the standard specified.

The table below is a graphical representation of the appearance classification required by BS EN 942.

In addition to appearance, specifiers should also consider other factors such as moisture content, species natural durability, preservative treatment and the final finish.


At Brookridge Timber, we stock a wide range of planed timber and mouldings, machined in house mainly from high quality Scandinavian Redwood and Whitewood.

In addition to these more popular species we are also able to offer all of our planed timber and mouldings in Canadian Western Red Cedar, Siberian Larch, 3/4 Side Clear Redwood and UK grown species in Cedar and Larch.

We have recently updated our in house mill with a large investment in a state of the art Weinig six cutter and associated computerised setting technology which complements the existing production machinery.  All of our staff are highly trained to ensure the products we supply are of a very high standard.

In addition to the various Planed Square Edge sizes our mouldings stocks include various skirtings, architraves, shiplap, cladding, planed tounged and grooved, floorings, door stops and beadings.


The above information is meant as a guide only and a more thorough examination of the relevant standard should be made before detailing a specification.