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.
Residential roof parapet wall design.
If unavoidable get further direction from the design team before.
Strive to avoid penetrations through top of the parapet wall.
The first example below shows a hybrid of traditional flat roofs.
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.
The main roof beyond has a coping cap flashing piece over the parapet wall.
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.
The cantilevered roof overhangs have a gravel stop metal flashing piece at the roof edge concealing the slope.
This is a tricky thing to execute and as such we design into the upper parapet assembly a.
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.
Likewise strive to avoid balloon framing of the parapet wall.