Timber Flat Roof Parapet Detail

In terms of rules on ventilation bs 5250.

Timber flat roof parapet detail.

This study funded by the new zealand building research levy aimed to experimentally verify whether a parapet design detail from the new zealand compliance document for weathertightness e2 as1 resisted condensation accumulation. Mansard detail drip trim cad pdf cad dwg. There have been numerous cases of rotting timber in new zealand parapet walls. Parapet detail masonry cavity wall flat roof with parapet insulation above joists.

Parapet detail joists perpendicular 3 13. Flat roof joist and decking 3 10. Intermediate floor joist parallel 4 3. 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.

2011 control of condensation in buildings is the document to view. If you want a diy flat roof here are the steps to follow. Gutter drip trim with ps tape cad pdf cad dwg. Dormer in section 3 11.

Parapet detail joists parallel details in section 4. Courtesy of max baker and the national research council of canada. Timber frame flat roof detail. If you didn t get it right you concentrated the stresses at roof edges and you could suck in a parapet or tear or rip a membrane at the parapet photographs 3 and 4.

Timber frame flat roof detail. Put simply a warm flat roof has insulation of some kind packed into every available void and a cold flat roof allows air to circulate between the joists. Roof panels 3 8 1 roof panel connections 3 9. Parapet drain cad pdf cad dwg.

Mansard detail lead cad pdf cad dwg. Metal coping termination cad pdf cad dwg. Dormer in perspective view 3 12. That would be impossible since a flat roof would receive so much weight from water buildup and snow buildup that it would not be long lasting.

Nov 30 2014 explore alex radford foster s board parapet detail on pinterest. One important and perhaps not so obvious fact is that a flat roof is not actually flat. Gutter drip timber wrap cad pdf cad dwg. 3 05 timber frame pitched roof.

Flat roof detail masonry cavity wall flat roof insulation above and between joists. See more ideas about parapet architecture details construction drawings. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. This air is vented at either end of the roof to allow a continuous air flow.

Roof membrane temperatures ottawa canada summer day.