Timber Pitched Roof Construction Details

Clay and concrete tiles have retaining nibs on the back of the tile which rest on the wooden lath.

Timber pitched roof construction details. Prefabricated trusses which are delivered to site and erected. Timber is a heavy material that adds strength to your roof but comes at quite the cost. An example of each is shown in figure 2 1. Read part 2 pitched roof construction.

When constructing a pitched rooftop with timber this can be an incredibly labor intensive build. 3 05 timber frame pitched roof. Roofs with pitches of 10 to 20 are often called low pitched roofs and special considerations need to be made particularly on the overlap between tiles to avoid water being blown into the roof by the wind. Pitched roof timber sizes.

A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc. There are two basic methods of pitched roof construction. A trussed roof will often rest on a timber wall plate as with a conventional one. The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.

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. Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. Pitched roof detail the way that the tile is held on the roof differs slightly according to the material used. The two basic construction methods of pitched roofs are.

Each truss is lifted into position and fixed to the plate. Building a pitched roof prefabricated trusses the latter stages of construction felt battening tiling remain the same regardless of the framing method used. A truss roof using factory made trusses which are delivered to site complete and just erected. A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge.

Timber pitched rooftop construction details focus on the timber construction that is commonly used in most roofing constructions.