Minimum Parapet Height Flat Roof

Since workers need to access the roof dur.

Minimum parapet height flat roof.

The roof was completely flat all the way to the edges and did not have a parapet. We offer railings that attach to the top of the parapet. The minimum height of a parapet wall above the roof surface is 30 inches. If a reinforced concrete beam is provided at the top of the wall the minimum height above the wall anchor may be 6 inches 152 mm.

Install a non penetrating full height railing. Bs 6229 2003 flat roofs with continuously supported coverings code of practice and bs 8217 2005 reinforced bitumen membranes for roofing code of practice both state that if unwanted water ingress into the building is to be avoided all weatherproofing upstands occurring around the roof area. 2015 ibc code commentary. See attached pic for an example.

Roof parapet min 39. The minimum height of a parapet above any wall anchor shall be 12 inches 305 mm. What s the real story on minimum flashing height. However when a roof slopes down toward an exterior wall and parapet with a slope greater than 2 12 further analysis is required to determine if a taller parapet is necessary.

If you can penetrate your roof parapet there are several roof parapet railing solutions. The height of a planned parapet is made during the conceptual design of a building. Which would include abutments rooflights. If penetrating the outside of the wall is not an option a freestanding non penetrating railing can be used to keep people back to from the roof edge.