Parapet Pitched Roof Detail

Courtesy of max baker and the national research council of canada.

Parapet pitched roof detail.

76 build supplement flashings section 4 roof wall intersections roof wall intersections section 4. Theres also an svp in the way about a 3rd of the way along the existing longest wall where the ridge would be. Flat roof details and information relating to insulating a flat roof. 100 dan road canton ma 02021 phone 1 800 451 2504 sales 1 800 576 2358.

While a roof parapet wall may seem like a small detail in the grand scheme of the entire building design it can actually change the dynamic of an entire roof both in terms of cosmetic detailing and safety. 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. The assembly is straight forward but what complicates matters is that the roof needs to be vented. If you didn t get it right you concentrated the stresses at roof edges and you could suck in a parapet or tear or rip a membrane at the parapet photographs 3 and 4.

Parapet detail masonry cavity wall flat roof with parapet insulation above joists. Roof membrane temperatures ottawa canada summer day. At the highest point of the sloped roof the parapet is about 10 tall at the lowest point the parapet is about 14 tall. Roof detail drawings includes jpeg dxf and dwg cad via download a selection of roof detail drawings including flat roof details pitched roof details mansard roof detail parapet verge ridge and eaves details.

The parapet itself is standard wood framing with an applied siding in this case t g 1 4 cedar. I ve uploaded the section from the building regs drawings which show that the design has the roof joists on hangers and then the box gutter sat on top of the inner leaf of the cavity wall. I m having an extension built at the moment which includes a pitched roof down to a box gutter and parapet wall. Here are some new building regs drawings including mansard roof edge parapet wall box gutter verge detail pitched roof flat roof abutment threshold welted drip for external gutter pitched roof to wall junction timber frame timber clad eaves details window frame window lintel window sill manholes soakaway sanitary pipework basements etc.

The roof will drain into a box gutter with a parapet.