Slotted Cover On Roof Drain Overflow

Copper roof drain with overflow horizontal outlet.

Slotted cover on roof drain overflow.

The exterior w ater dam type overflow drain fig. 1070 because the dam keeps debris away from the dome and accommodates more overflow drainage with less head build up than the standpipe. The above sizing data is offered as a guide only. Take the roof s total square footage and divide by the total square footage handled by one drain.

5 0 out of 5 stars 3. Calculate drains needed. 1080 is usually preferred to the interior standpipe overflow drain fig. The overflow drains remain inactive until the water level reaches the overflow level.

Watts drainage products rd 300 r series 4 in. Combination main overflow drain commercial construction commercial multi family thin wall construction. Oatey 78012 pvc roof drain with plastic dome 2 inch. Overflow drains shall be the same size as the roof drains with the inlet flow line two inches above the low point of the roof and shall be installed independent from the roof drains.

The 2006 international residential code specifies the size and locations for overflow drains on residential structures. Connects to the spee d catch basin drain 6 in. And a flow rate of 28 gpm. This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table.

Single wall corrugated pipe for a soil tight fit. Sewer and drain pipe fittings and 6 in. Brass toe tap drain in vibrant polished nickel. Kohler clearflo 23 1 16 in.

To see availability for this product personlog in or get online access. Cast iron roof drain with 2 in. Flat roofs that do not drain over the roof edge and roofs that have parapet walls must utilize roof drains to get the water off the roof. The pipe grate is ada compliant and heel proof.

Where you have roof drains you are also required to have overflow drains. Kohler clearflo slotted overflow brass bath drain in vibrant rose gold. Zurn rd2150 ss3 replacement roof drain 3 inch push in pipe size. Get it as soon as fri sep 4.

Proflo pf42850 proflo pf42850 3 pvc roof drain with cast iron dome. Cast iron roof drain. Round drain grate also known as a drain cover has an open surface area of 9 1 sq. 4 0 out of 5 stars 1.