Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture.
Timber flat roof detail section.
Parapet detail masonry cavity wall flat roof with parapet insulation above joists.
The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.
Old asbestos roofs are often replaced with flat roofs.
Flat roof joist and decking 3 10.
Dormer in perspective view 3 12.
Dormer in section 3 11.
Isometric section through sun terrace hospital in waiblingen d 1928 richard dăścker roof edge detail according to the frankfurt standard for small dwellings 1927 proposal for roof edge.
3 05 timber frame pitched roof.
As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.
Parapet detail masonry cavity wall flat roof with parapet insulation above joists.
Parapet detail joists perpendicular 3 13.
Timber frame flat roof detail.
Roof panels 3 8 1 roof panel connections 3 9.
Contemporary designers frequently aim to produce the same clear and simplified forms that appeared at the beginning of the 20th century but are now free to use a wide range of new materials and construction techniques that reflect present day technology.
Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates timber framed and historic buildings may be framed with principal rafters or timber roof trusses roofs are also designated as warm or cold roof depending on how they are designed and built with regard to thermal building insulation and ventilation.
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.
Sizes of joists needed for flat roof construction.
Intermediate floor joist parallel 4 3.
Flat roof detail masonry cavity wall flat roof insulation above and between joists.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
So any timber joists that are used need to be strong enough to support this weight.
Timber frame flat roof detail.
Parapet detail joists parallel details in section 4.
