Timber Roof Construction Details

Internal wall to internal wall junctions 3.

Timber roof construction details.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Common rafters are the main timbers used to build a gable roof and are in almost every hipped roof construction as well facia soffit construction click here for help installing fascia soffit boards that finish the bottom of the rafter feet off neatly and provide something for your gutters to fix to. Tile hanging off timber frame 1 8. For additional stability you can also use steel joists that are built into one or both of the walls.

Tank stand and walkway 3 3. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. Type of roof because it is braced by four hip rafters. 24 mm 20 and should have.

Timber framed and historic buildings may be framed with principal rafters or timber roof trusses. The valley is formed where the two. Ventilated batten void warm roof gable 3 06 timber frame timber flat roof 3 07 timber frame timber flat roof with parapet 3 08 timber frame lintel at window head 3 09 timber frame windows and doors jambs and cills specification within an example should 3 10 timber frame ground bearing floor insulation above slab 3 11 timber frame ground bearing floor insulation below slab. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates.

A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. Render on timber frame 2. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. These hip rafters run at a 45 angle from each corner of the building to the ridge.

Boardsmust have a nominal thickness of min. A number of methods were used to form the wooden walls and the types of structural carpentry are often defined by the wall floor and roof construction such as log timber framed balloon framed or stacked plank. 3 05 timber frame pitched roof. The construction of the flat roof is similar to that of the timber upper floor.

Timber in the form of rough sawn or planedboards or planks can be used as the loadbearing deck to a flat roof fig. Timber boarding on timber frame 1 9. Timber is a heavy material that adds strength to your roof but comes at quite the cost. Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions.

Timber frame standard details september 09 building 1 grosvenor court hipley street. Intersecting the intersecting roof consists of a gable and valley or hip and valley.