When sizing roof drains the limiting factor for the amount of water each drain will carry away is the size of leader therefore increasing leader size decreases the number of drains required.
Roof drain sump pan dimensions.
These superior roof drain sump pans are fabricated on state of the art modern laser cutting machines resulting in precise dimensions.
A sump pan fits a roof drain bowl and secures the drain to the roof.
High quality 18 gauge galvanized steel is used for strength and durability.
For instance poured concrete roofs normally don t need them.
Roof drain pan lsp 15 diameter primary zurn z100 roof drain bottom outlet no hub connection cast iron clamping collar and cast iron dome.
They are also produced using stainless steel and aluminum.
How a sump pan works.
Is a metal roof deck accessory comprised of a flat sheet or a bowl used with roof drainage systems.
Roof area is 300 x 500 ft.
The roof drain bolts to the pan with four bolts supplied with the roof drain the roof drain can be mounted from the top or bottom side.
Roof sumps help the roof shed water more effectively and help eliminate the water pond size if the drain was not installed at the correct height.
This roof drain pan flat roof drain kit includes pipe sizes from 2 4 larger pipe size and connection options are available.
Building plans will normally specify whether or not a sump pan is needed some roofs don t require a sump pan.
Why a sump pan matters.
24 x 24 square flange to flange.
The sump is 2 deep and is approx 13 3 4 x 13 3 4 square.
300 x 500 150 000 sq.
Step by step sizing of zurn drains step 1.