Timber Roof Construction Details

There are two basic methods of pitched roof construction.

Timber roof construction details.

Timber frame standard details september 09 building 1 grosvenor court hipley street. 150mm insulation 0 044w mk between rafters. Timber is a heavy material that adds strength to your roof but comes at quite the cost. Internal wall to internal wall junctions 3.

Timber in the form of rough sawn or planedboards or planks can be used as the loadbearing deck to a flat roof fig. 3 05 timber frame pitched roof. Type of roof because it is braced by four hip rafters. The valley is formed where the two.

A truss roof using factory made trusses which are delivered to site complete and just erected. Tank stand and walkway 3 3. These hip rafters run at a 45 angle from each corner of the building to the ridge. Common rafters are the main timbers used to build a gable roof and are in almost every hipped roof construction as well facia soffit construction click here for help installing fascia soffit boards that finish the bottom of the rafter feet off neatly and provide something for your gutters to fix to.

Timber boarding on timber frame 1 9. Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. Solid external masonry wall. Render on timber frame 2.

A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. Timber framed and historic buildings may be framed with principal rafters or timber roof trusses. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions. Tile hanging off timber frame 1 8.

24 mm 20 and should have. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. The construction of the flat roof is similar to that of the timber upper floor. When constructing a pitched rooftop with timber this can be an incredibly labor intensive build.

Intersecting the intersecting roof consists of a gable and valley or hip and valley. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates. 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.