Timber Roof Structure Detail

Internal wall to internal wall junctions 3.

Timber roof structure detail.

It is the form most commonly used by. Render on timber frame 2. It s considered heavy timber when. Load bearing or primary structure usually constructed in timber in a residential construction.

Gable a gable roof has a ridge at the center and slopes in two directions. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates. As each truss is designed to form part of the complete roof structure they should never be cut modified or their use changed i e. Ventilated roofspace gable 3 03 timber frame pitched roof.

The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. Raised tie truss 3 3 3. Ventilated batten void warm roof eaves. When constructing a pitched rooftop with timber this can be an incredibly labor intensive build.

Covers pitched roof detail. The construction of the flat roof is similar to that of the timber upper floor. Tank stand and walkway 3 3. The original roof was built using purlins beams extending between gable ends.

Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. Part 2 pitched roof construction.

The minimum sizes are 6 x 8 for a column supporting a roof 8 x 8 for a column supporting a floor 6 x 10 for a floor beam 8 x 8 for a roof truss member 4 x 6 for a roof beam 3 1 finish floor decking 2 roof decking according to the building code. Ventilated rafter void gable 3 04 timber frame pitched roof. A roof being framed in the united states circa 1955. An example of each is shown in figure 2 1.

Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction. Historically truss timbers have been bolted together or mortise and tenoned and then pegged. Ventilated roofspace eaves 3 02 timber frame pitched roof. Timber framed and historic buildings may be framed with principal rafters or timber roof trusses.

Detail description 3 00 timber frame isometric cut away view 3 01 timber frame pitched roof. Each modern roof truss is designed and made for a particular position in the roof structure and is made up of butt jointed timber lengths typically nailed together using plate fastenings no type of timber joint being used. The roof sheathing consisted of inch thick wide pine boards nailed to the purlins and thick enough to resist much sagging. Bracing diagonal and longitudinal 3 4 1.

Timber is a heavy material that adds strength to your roof but comes at quite the cost. Below is a sketch of the original roof wall structural details for this building.