Timber Roof Structure Detail

Raised tie truss 3 3 3.

Timber roof structure detail.

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. Below is a sketch of the original roof wall structural details for this building. The original roof was built using purlins beams extending between gable ends.

The construction of the flat roof is similar to that of the timber upper floor. Ventilated batten void warm roof eaves. It is the form most commonly used by. The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.

Part 3 pitched roof detail. Historically truss timbers have been bolted together or mortise and tenoned and then pegged. Part 2 pitched roof construction. Timber boarding on timber frame 1 9.

When constructing a pitched rooftop with timber this can be an incredibly labor intensive build. Bracing diagonal and longitudinal 3 4 1. Timber is a heavy material that adds strength to your roof but comes at quite the cost. A roof being framed in the united states circa 1955.

The roof sheathing consisted of inch thick wide pine boards nailed to the purlins and thick enough to resist much sagging. 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. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. 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.

Ventilated roofspace eaves 3 02 timber frame pitched roof. Detail description 3 00 timber frame isometric cut away view 3 01 timber frame pitched roof. Covers pitched roof detail. Gable a gable roof has a ridge at the center and slopes in two directions.

Timber framed and historic buildings may be framed with principal rafters or timber roof trusses. Render on timber frame 2. Tank stand and walkway 3 3. Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction.

Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates. 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. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions.

It s considered heavy timber when. Replacing a slate roof covering by a.