Recess the drain below the roof surface.
Internal roof drain details.
Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.
And 4 area handled by each drain.
Properly locate roof drains scuppers and gutters to remove water from the roof s surface.
Zurn makes it easy to size roof drains.
When sizing roof drains the limiting factor for the amount of water each drain will carry away is the size of leader therefore increasing.
Materials use materials consistent with the roof membrane manufacturer s requirements.
This is a drainage point that can be installed across the roof s surface even in the centre of the roof.
3 size of leader required.
2 total area of roof.
Design saddles or crickets to create positive drainage to the drain.
If water collects in one spot in the middle of your roof then installing an interior drain there to move the water is a good solution.
Download free high quality cad drawings blocks and details of roof drains organized by masterformat.
Execution here are seven factors to use when installing roof drains.
Provide extra insulation around the drain head to prevent condensation.
1 rate of precipitation.