Timber roof trusses are engineered and manufactured to an exacting standard which require special handling erection and bracing techniques.

Timber roof construction details. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates timber framed and historic buildings may be framed with principal rafters or timber roof trusses roofs are also designated as warm or cold roof depending on how they are designed and built with regard to thermal building insulation and ventilation. Ventilated roofspace eaves 3 02 timber frame pitched roof. When constructing a pitched rooftop with timber this can be an incredibly labor intensive build. Tile hanging off timber frame 1 8.

Roof structure terminology top plate. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions. Ventilated batten void warm roof eaves. An example of each is shown in figure 2 1.

For homebuilders a timber frame for a flat roof is usually the cheapest option and the easiest to build. These are the horizontal members that provide a structure to fix the ceiling and support and fix the. There are two basic components of a timber roof. Timber vs metal frames.

Finishes for flat roofs are also more limited. The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. There are two basic methods of pitched roof construction. The roof framing is the structure that supports your roof.

Timber is by far the most common material for house framing in australia. A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc. Render on timber frame 2. A truss roof using factory made trusses which are delivered to site complete and just erected.

The main decision that needs to be made with erecting a roof is which material to use for its construction. Internal wall to internal wall junctions 3. Ventilated roofspace gable 3 03 timber frame pitched roof. Ventilated rafter void gable 3 04 timber frame pitched roof.

Purlins run horizontally and parallel to the ridge. Timber frame standard details september 09 building 1 grosvenor court hipley street. Timber boarding on timber frame 1 9. Detail description 3 00 timber frame isometric cut away view 3 01 timber frame pitched roof.

But this type of roof is seldom as attractive as the pitched form as it can result in a blocky stunted appearance. To ensure that the expected performance is achieved it is imperative that all relevant parties are familiar with the requirements set out in this document.

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