Residential Roof Parapet With Fins

Insulate within parapet wall cavity to depth of roof insulation if present.

Residential roof parapet with fins.

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. Now all three are in place above the flat roof of the 47 story 897 foot tall midtown east structure. Flat roofs come in many shapes and sizes which include parapet roofs roof decks and green roofs to name just a few of the options available. Platform framed parapets are similar to the flush edged construction with the roof structure sitting directly on the wall system but include a parapet wall assembly on top of the roof structure.

Yimby last checked in on the construction progress and installation of the structural frames for 425 park avenue s trident of parapet fins back in august. The office tower is designed by norman foster head of foster partners and is being developed by l l holding company llc. Roof membrane must lap up wall to minimum of 12 above roof plane or per specifications whichever is greater. 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.

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.