Timber Roof Structure Detail

It s considered heavy timber when.

Timber roof structure detail.

Replacing a slate roof covering by a. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. 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. The construction of the flat roof is similar to that of the timber upper floor.

The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. Render on timber frame 2. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. An example of each is shown in figure 2 1.

Bracing diagonal and longitudinal 3 4 1. Timber boarding on timber frame 1 9. Covers pitched roof detail. 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. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions. 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. A roof being framed in the united states circa 1955.

When constructing a pitched rooftop with timber this can be an incredibly labor intensive build. Part 2 pitched roof construction. Ventilated roofspace eaves 3 02 timber frame pitched roof. Historically truss timbers have been bolted together or mortise and tenoned and then pegged.

Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction. Ventilated roofspace gable 3 03 timber frame pitched roof. 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.

The roof sheathing consisted of inch thick wide pine boards nailed to the purlins and thick enough to resist much sagging. Part 3 pitched roof detail. Tank stand and walkway 3 3. Raised tie truss 3 3 3.

Internal wall to internal wall junctions 3. Ventilated batten void warm roof eaves. 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. The original roof was built using purlins beams extending between gable ends.

It is the form most commonly used by. Ventilated rafter void gable 3 04 timber frame pitched roof.