Flat Roof Parapet Capping Details

Timber frame flat roof detail.

Flat roof parapet capping details. Parapet detail masonry cavity wall flat roof with parapet insulation above joists. Since the rainscreen system uses a waterproof membrane behind the siding the cap flashing at the parapet wall doesn t need to cover the rainscreen panels at the face. Minimum of 12 to top of parapet. Flat roof detail masonry cavity wall flat roof insulation above and between joists.

If cavity is. Table of contents 1. This cover in turn laps over base flashing which is cleated to the roof deck or a nailing strip. Parapet detail masonry cavity wall flat roof with parapet insulation above joists.

The lower edge of the parapet cover is joined to the upper edge of the copper roof with a transverse seam. Applications include parapet walls where water needs to be directed towards a balcony or flat roof for drainage purposes. At the edge of these roofs parapet walls are commonly found and are vulnerable to leaks if not flashed correctly. A parapet roof is simply put when a building s outermost walls extend upwards past the roof around the edges most often by a few feet.

This style offers the designer the greatest number of dimensional options and the greatest number of corner units both internal and external. Provide venting to each wall cavity. A parapet is a part of a roof that eliminates the danger of a flat roof while opening up a wealth of opportunities to use roof space safely and effectively. On the roof side the cover is locked into a standing seam parapet cover.

Timber frame flat roof detail. Do not lap tpo over top of parapet unless required by. Venting in wood framed parapets. Parapets dramatically reduce these pressure differences at roof edges figure 3.

Parapets where roofs meet walls can create problems and solutions in building technology learn from lstiburek how to properly approach them when building. This is a nice detail because it keeps a crisp clean edge profile at the top of the parapet wall. Top of parapet below cap to be sealed with fluid applied flashing. We also manufacture radius parapet wall caps and can match any profile.