Combination main overflow drain commercial construction commercial multi family thin wall construction.
Slotted cover on roof drain overflow.
1080 is usually preferred to the interior standpipe overflow drain fig.
Where you have roof drains you are also required to have overflow drains.
4 0 out of 5 stars 1.
Zurn rd2150 ss3 replacement roof drain 3 inch push in pipe size.
Single wall corrugated pipe for a soil tight fit.
5 0 out of 5 stars 3.
Brass toe tap drain in vibrant polished nickel.
Connects to the spee d catch basin drain 6 in.
Kohler clearflo 23 1 16 in.
The exterior w ater dam type overflow drain fig.
The result is the number of drains needed.
The 2006 international residential code specifies the size and locations for overflow drains on residential structures.
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.
This table is based on zurn s roof drain vertical requirement for horizontal roof areas at various rainfall rates table.
Sewer and drain pipe fittings and 6 in.
The pipe grate is ada compliant and heel proof.
Take the roof s total square footage and divide by the total square footage handled by one drain.
To see availability for this product personlog in or get online access.
Round drain grate also known as a drain cover has an open surface area of 9 1 sq.
Watts drainage products rd 300 r series 4 in.
The above sizing data is offered as a guide only.
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.
Proflo pf42850 proflo pf42850 3 pvc roof drain with cast iron dome.
By the 1997 edition of the upc section 1101 11 2 had been added that completely prescribed where and how secondary roof drainage was to be provided.
Oatey 78012 pvc roof drain with plastic dome 2 inch.
Cast iron roof drain.
Cast iron roof drain with 2 in.
Copper roof drain with overflow horizontal outlet.
Get it as soon as fri sep 4.
The overflow drains remain inactive until the water level reaches the overflow level.
Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.
And a flow rate of 28 gpm.