Detail Flat Roof Drainage Design Guide

Keep in mind all flat roofs have a slope of between five and 15 degrees to allow water to flow into drain systems such as eaves drainage holes or outlets.

Detail flat roof drainage design guide.

Watch for clogs blockage at the roof drain or scupper. Roofs of this design will have one or more roof drains or scuppers installed. There are roof coating products available if there isn t enough slant or slope to accomplish this. Drain locations and deck slope verification for ponding water or deflection.

Flat roof drain types. All in all a flat roof offers many advantages for everyone. It is a requirement of building regulation part h that adequate provision is made for rainwater to be carried from the roof of the building. Main features flat roof drainage design guide first off the flat roof drainage design guide is an extremely basic direct and utilitarian design every single current trademark.

Design assistance services are offered as a courtesy to the roofing. Roof drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. According to bs 6229 bs 8217 flat roofs should be designed with minimum falls of 1 40 to ensure a finished fall of 1 80 can be achieved allowing for any inaccuracies in the construction. There are three types of drain systems commonly used on flat roofs.

Alwitra flat roof details. Poor drainage can lead to serious issues with flat roofing from leaks to structural damage. Along with the benefits of a flat roof come unique challenges. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally.

The flat roof drainage design guide can go up against different style that when nitty gritty right can ooze a cutting edge feel. Unlike other roofing types that are slanted or sloped to allow water to drain automatically flat roofs need a built in drainage system to help remove moisture and debris. The most critical of these issues is the flat roof drainage systems. At page top and at left our photos show a low slope roof surrounded by a parapet.

Your building and location can help determine which drain will fit your roof needs. Developing the design criteria for a roof drainage plan that will perform with the roofing system to drain the roof is critical prior to the bid process and roof system installation. This information will teach you about thermal design insulation and consideration deck types fire performance wind load design falls and drainage locating equipment safe access assessing requirements improving drainage falls and improving thermal properties.