Detail Flat Roof Drainage Design Guide

Poor drainage can lead to serious issues with flat roofing from leaks to structural damage.

Detail flat roof drainage design guide.

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. The one challenge with flat roofing is ensuring proper drainage. Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats. Roofs of this design will have one or more roof drains or scuppers installed.

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. All in all a flat roof offers many advantages for everyone. At page top and at left our photos show a low slope roof surrounded by a parapet. The flat roof drainage design guide can go up against different style that when nitty gritty right can ooze a cutting edge feel.

Alwitra flat roof details. 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. Watch for clogs blockage at the roof drain or scupper. There are three types of drain systems commonly used on flat roofs.

Drain locations and deck slope verification for ponding water or deflection. Roof drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. Design assistance services are offered as a courtesy to the roofing. 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.

Along with the benefits of a flat roof come unique challenges. 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. 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. There are roof coating products available if there isn t enough slant or slope to accomplish this.

Flat roof drain types. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally. The most critical of these issues is the flat roof drainage systems.