Flat Roof Parapet Capping Details

This is a nice detail because it keeps a crisp clean edge profile at the top of the parapet wall.

Flat roof parapet capping details.

Timber frame flat roof detail. Do not lap tpo over top of parapet unless required by. We also manufacture radius parapet wall caps and can match any profile. At the edge of these roofs parapet walls are commonly found and are vulnerable to leaks if not flashed correctly.

Parapet detail masonry cavity wall flat roof with parapet insulation above joists. Parapets dramatically reduce these pressure differences at roof edges figure 3. If cavity is. Applications include parapet walls where water needs to be directed towards a balcony or flat roof for drainage purposes.

Top of parapet below cap to be sealed with fluid applied flashing. 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. Venting in wood framed parapets. This cover in turn laps over base flashing which is cleated to the roof deck or a nailing strip.

Timber frame flat roof detail. Parapet wall caps are custom fabricated to any measurements and it usually measure 10 in length but can also be bent in 12 lengths. 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. Table of contents 1.

Height of roofing at wall. Flat roof detail masonry cavity wall flat roof insulation above and between joists. Parapets where roofs meet walls can create problems and solutions in building technology learn from lstiburek how to properly approach them when building. 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. When wind blows against a building it produces vortices at the roof edges that create huge pressure differences at roof perimeters that can suck roofs off buildings. The lower edge of the parapet cover is joined to the upper edge of the copper roof with a transverse seam. Parapet detail masonry cavity wall flat roof with parapet insulation above joists.