Residential Roof Parapet Wall Design

A parapet roof is a flat roof with the walls of the building extending upwards past the roof by a few feet around the edges.

Residential roof parapet wall design.

The main roof beyond has a coping cap flashing piece over the parapet wall. The addition of a parapet makes a flat roof far safer providing a small barrier that provides additional security to reduce the likelihood of anyone standing the roof falling over the edge. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. Likewise strive to avoid balloon framing of the parapet wall.

Strive to avoid penetrations through top of the parapet wall. The first example below shows a hybrid of traditional flat roofs. The cantilevered roof overhangs have a gravel stop metal flashing piece at the roof edge concealing the slope. If unavoidable get further direction from design team before proceeding.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Connect the water control element layer of the roof to the wall the air control element layer of the roof to the wall the vapor control element layer of the roof to the wall and finally the thermal control element layer of the roof to the wall. Modern flat roofs with parapet walls.