Flat Roof Drain With Overflow

The exterior w ater dam type overflow drain fig.

Flat roof drain with overflow.

Poor drainage can lead to serious issues with flat roofing from leaks to structural damage. The one challenge with flat roofing is ensuring proper drainage. As we will see in steps 3 4 the size of the roof drain lines is dependent on the square feet of the roof area being served by each roof drain. Where roof drains are required secondary emergency overflow roof drains or scuppers shall be provided where the roof perimeter construction extends above the roof in such a manner that water will be entrapped if the primary drains allow buildup for any reason.

Unlike other roofing types that are slanted or sloped to allow water to drain automatically flat roofs need a built in drainage system to help remove moisture and debris. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. Cast iron roof drain. The overflow drains remain inactive until the water level reaches the overflow level.

Cast iron roof drain with 2 in. Roof drains watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application. Watts drainage products rd 300 r series 4 in. P 1503 4 1 secondary emergency overflow drains or scuppers.

Copper roof drain with overflow horizontal outlet. 5 0 out of 5 stars 1. Only 10 left in stock order soon. 1080 is usually preferred to the interior standpipe overflow drain fig.

Free shipping by amazon. More buying choices 25 96 2 used new offers. In addition to the primary roof drains there will also be overflow drains which are used for redundancy and sized in the same manner. Smith carefully designs and manufactures a full line of roof drains deck drains scupper drains promenade and parking area drains and more to satisfy both the artistic eye of the architect and the calculating mind of the engineer.

Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor. These drains are distinguished by having higher rims.