Flat Roof Internal Gutter Detail

This applies to general roof areas along with any internal gutters.

Flat roof internal gutter detail. E2 as1 figure 52 requires internal gutter dimensions to be at least 300 mm wide and 70 mm deep see figures 1 and 2. There should be a smooth transition into the gutters which can often be lined using the roofing membrane to achieve a completely uniform finish check the manufacturer s details. Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems. Scuppers can be installed to carry water into gutters or directly into downspouts through conductor heads.

Internal gutters can be used but conventional eaves gutters are preferable. In reality a flat roof isn t fully level and flat roofs built for gutters should direct water to one or more sides where the gutters are installed. They can be used in conjunction with gutters and downspouts to divert the flow to the desired location. Alwitra flat roof details.

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. Gutters are often a viable option for flat roofs directing water on the outside of the structure to downspouts. Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats. Hold your cursor over the file name to view when a drawing was last updated.

Versico roofing systems strives to provide resources for all professionals in the commercial roofing space. Flat roofs should be designed to drain the roof to one or two edges towards gutters and outlets. Flat roof design guide. Installing leaf guard gutters can put that miserable messy stinky job of cleaning out gutters behind you.

The detail drawings are grouped by details and can be downloaded below in dwg or pdf format. Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and built up roofs to allow drainage of excess water. The architect resources page aims to help architects and specifiers make informed decisions about what roofing system is best for their specs. If a larger cross sectional area is required to comply with e1 as1 the depth or width of the gutter must be increased.

Gutters can also be installed to work in tandem with a scupper system.