Flat Roof Drain Section Detail

Your building and location can help determine which drain will fit your roof needs.

Flat roof drain section detail. Most draining systems on flat roofs have a poor design or are not correctly installed. These drains are like the drain at the bottom of your shower except that the roof drain has a larger strainer to protect it from debris. A gravity drainage system on a flat roof differs from the gutter system you find on residential roofs in two key ways. Alwitra flat roof details.

Download free high quality cad drawings blocks and details of roof drains organized by masterformat. When the dx flange is required on drains other than those shown in this section the prefix dx must be used with the figure number. The regular flange will have a minimum 4 width with a 3 16 lip at drain body. It is very critical to position drains for maximum effect.

So often we find that inner drains are high on the roof causing water to pool around them. There are three types of drain systems commonly used on flat roofs. Detail for attachment to metal panel siding or fascia. There are roof coating products available if there isn t enough slant or slope to accomplish this.

Adaptable to flat roofs used for recreational purposes balconies area ways plazas sun decks floors and corridors. Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats. Downspout strap detail 1 4 dia. A flat roof may use interior drains to collect water from the centre of the roof.

There are three types of drain systems on a flat roof. The most critical of these issues is the flat roof drainage systems. This detail for cmu installation only. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.

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