Roof Parapet Wall Height

You should not increase the height of a parapet wall without involving a structural engineer.

Roof parapet wall height.

In order for a roof parapet to provide adequate fall protection a roof parapet railing should be at least 42 in height. Where the roof slopes toward a parapet at a slope greater than two units vertical in 12 units horizontal 16 7 percent slope the parapet shall extend to the same height as any portion of the roof within a fire separation distance where protection of wall openings is required but in no case shall the height be less than 30 inches 762 mm. Again we are selecting a parapet for architectural reasons not fire so does the parapet wall have to be that high. Hvac equipment will be further than 10 in from any exterior wall.

How far can the brick parapet be increased without bracing or reinforcing it. There are several solutions to help you raise the height of your parapet that are cost effective and aesthetically pleasing. With it parapet walls are indicated automatically on the roof sketch as flattened panels similar to an unfolded pizza box. Unfortunately many buildings get close to this height without quite meeting the height required by osha to provide fall protection.

Accounting for roof penetrations when dealing with parapet walls the extra material needed to cover the vertical surface of the inside face of the parapet isn t the only added factor to take into consideration. Height of roofing at wall. Minimum of 12 to top of parapet. Top of parapet below cap to be sealed with fluid applied flashing.

The height of the parapet shall be not less than 30 inches 762 mm above the point where the roof surface and the wall intersect.