Timber
Although timber has limitations in larger buildings, it can be used just about anywhere in the construction of a domestic dwellinghouse, and often forms part of walls, flooring and the roof frame.
Timber structural framework is used in timber frame houses. This takes the form of studwork, with insulation between the studs and enclosed by plywood and plasterboard which also act as bracing.
Solid or reconstituted timber can be used for studs and for other structural members such as floor joists, roof joists, beams, and rafters.
Additionally timber can be used for internal finishes, such as facings (architraves), and skirting boards as well as timber floor coverings. The external use of timber need not be limited to barge boards, facing boards and soffit construction as it can be used as cladding. Although a number of species can be used as cladding Larch is increasing in popularity over the more commonly specified Western Red Cedar. If highly durable ‘Heart of Larch’ is used this product can be left untreated as it is as dense as Oak. As with all external timber cladding care must be taken in the installation which must follow an appropriate detail to ensure ventilation so moisture is not retained. Stainless steel annular ring shank nails should also be used to prevent staining or streaking. This ensures a long product life. (Russwood, 2003)