Timber Roof Structure Detail
Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction.
Timber roof structure detail. The construction of the flat roof is similar to that of the timber upper floor. Bracing diagonal and longitudinal 3 4 1. 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. When constructing a pitched rooftop with timber this can be an incredibly labor intensive build.
Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates. A roof being framed in the united states circa 1955. Internal wall to internal wall junctions 3.
Part 2 pitched roof construction. It s considered heavy timber when. Timber boarding on timber frame 1 9. 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.
Below is a sketch of the original roof wall structural details for this building. Timber framed and historic buildings may be framed with principal rafters or timber roof trusses. Raised tie truss 3 3 3. Ventilated batten void warm roof eaves.
Part 3 pitched roof detail. Ventilated rafter void gable 3 04 timber frame pitched roof. Covers pitched roof detail. Gable a gable roof has a ridge at the center and slopes in two directions.
Ventilated roofspace gable 3 03 timber frame pitched roof. It is the form most commonly used by. Detail description 3 00 timber frame isometric cut away view 3 01 timber frame pitched roof. The roof sheathing consisted of inch thick wide pine boards nailed to the purlins and thick enough to resist much sagging.
Render on timber frame 2. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. Ventilated roofspace eaves 3 02 timber frame pitched roof. 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.
Replacing a slate roof covering by a. Load bearing or primary structure usually constructed in timber in a residential construction. Tank stand and walkway 3 3. The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.
The original roof was built using purlins beams extending between gable ends. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions.