Timber Roof Structure Detail

The original roof was built using purlins beams extending between gable ends.

Timber roof structure detail.

Raised tie truss 3 3 3. Timber is a heavy material that adds strength to your roof but comes at quite the cost. Replacing a slate roof covering by a. Detail description 3 00 timber frame isometric cut away view 3 01 timber frame pitched roof.

Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates. Below is a sketch of the original roof wall structural details for this building. 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.

Load bearing or primary structure usually constructed in timber in a residential construction. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. The roof sheathing consisted of inch thick wide pine boards nailed to the purlins and thick enough to resist much sagging. Ventilated batten void warm roof eaves.

Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction. 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. 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. Internal wall to internal wall junctions 3.

Part 3 pitched roof detail. An example of each is shown in figure 2 1. Ventilated rafter void gable 3 04 timber frame pitched roof. It s considered heavy timber when.

Gable a gable roof has a ridge at the center and slopes in two directions. 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. 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. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. Part 2 pitched roof construction. Tank stand and walkway 3 3.

It is the form most commonly used by. Timber boarding on timber frame 1 9. Timber framed and historic buildings may be framed with principal rafters or timber roof trusses. Historically truss timbers have been bolted together or mortise and tenoned and then pegged.

The construction of the flat roof is similar to that of the timber upper floor. Render on timber frame 2.