Unless the roof drains are lower than the surrounding roof they will not drain resulting in huge pools of water.
Roof drain sump pan.
Consequently this type of roof drain installation can leave the flat roof drains sitting higher than the flat roof unless the roof is thick.
The integral sump feature easily lowers the roof drain 2 1 2 below the flat roof surface thereby increasing the flow of rain water into the roof drain sump pan and roof drains.
Building plans will normally specify whether or not a sump pan is needed some roofs don t require a sump pan.
Roof drain sump pans prevent eliminate standing rainwater on your flat roof.
This combination roof drain and overflow sump receiver flat plate does not have a sump lower part built into the roof drain pan.
Roof drain sump pan model lsp 2 pack is quality fabricated on state of the art laser cutting machinery and produced for a perfect fit to your roof drain and to the flat roof every time.
The integral sump feature easily lowers the roof drain two inches below the flat roof deck surface thereby increasing.
Not so with roof drain sump pan scp priced at 318 00.
For instance poured concrete roofs normally don t need them.
This versatile roof.
A sump pan fits a roof drain bowl and secures the drain to the roof.
Superior grade design roof drain pan ssp roof drain pan ssp is specifically designed to sump or lower the 8 1 2 cast iron frank pattern roof drain.
Fabricated from 18 gauge galvanized steel sheet metal which provides strength and durability.
Why a sump pan matters.