Flat Roof Drain With Overflow

Cast iron roof drain.

Flat roof drain with overflow.

The one challenge with flat roofing is ensuring proper drainage. These drains are distinguished by having higher rims. In addition to the primary roof drains there will also be overflow drains which are used for redundancy and sized in the same manner. The exterior w ater dam type overflow drain fig.

Roof drains watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application. 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. Cast iron roof drain with 2 in. Only 10 left in stock order soon.

Poor drainage can lead to serious issues with flat roofing from leaks to structural damage. 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. 5 0 out of 5 stars 1. More buying choices 25 96 2 used new offers.

Copper roof drain with overflow horizontal outlet. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. 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. Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor.

1070 because the dam keeps debris away from the dome and accommodates more overflow drainage with less head build up than the standpipe. The overflow drains remain inactive until the water level reaches the overflow level. Get it as soon as thu oct 1. 1080 is usually preferred to the interior standpipe overflow drain fig.

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