Flat Roof Drain Section Detail

Detail for attachment to metal panel siding or fascia.

Flat roof drain section detail.

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. A gravity drainage system on a flat roof differs from the gutter system you find on residential roofs in two key ways. 100 dan road canton ma 02021 phone 1 800 451 2504 sales 1 800 576 2358. Of course the best designed flat roof has the correct amount of pitch to drain the water off naturally.

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Most draining systems on flat roofs have a poor design or are not correctly installed. The most critical of these issues is the flat roof drainage systems. There are three types of drain systems on a flat roof.

Adaptable to flat roofs used for recreational purposes balconies area ways plazas sun decks floors and corridors. This detail for cmu installation only. A flat roof may use interior drains to collect water from the centre of the roof. There are three types of drain systems commonly used on flat roofs.

Download free high quality cad drawings blocks and details of roof drains organized by masterformat. There are roof coating products available if there isn t enough slant or slope to accomplish this. 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.

The regular flange will have a minimum 4 width with a 3 16 lip at drain body. Alwitra flat roof details. Your building and location can help determine which drain will fit your roof needs. Details and technical drawings of the flat roof drainage as downloads in the practical pdf dxf and dwg formats.

X 5 8 bolt brass alum. Downspout strap detail 1 4 dia.