Flat Roof Drain Section Detail

It is very critical to position drains for maximum effect.

Flat roof drain section detail. There are three types of drain systems commonly used on flat roofs. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. Downspout strap detail 1 4 dia. Adaptable to flat roofs used for recreational purposes balconies area ways plazas sun decks floors and corridors.

Download free high quality cad drawings blocks and details of roof drains organized by masterformat. Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats. 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.

This detail for cmu installation only. A flat roof may use interior drains to collect water from the centre of the roof. Along with the benefits of a flat roof come unique challenges. There are roof coating products available if there isn t enough slant or slope to accomplish this.

The regular flange will have a minimum 4 width with a 3 16 lip at drain body. There are three types of drain systems on a flat roof. Alwitra flat roof details. 100 dan road canton ma 02021 phone 1 800 451 2504 sales 1 800 576 2358.

Detail for attachment to metal panel siding or fascia. Your building and location can help determine which drain will fit your roof needs. X 5 8 bolt brass alum. 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. 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.