Interior drains work just like the drain in your shower or sink.
How to does roof draing work.
Any clog in the internal drain or scuppers leads to ponding where water simply sits on your roof.
These drains are placed in areas of the roof that collect the most water and they lead the water into a system of pipes that is installed below the roof.
The water weight compresses roof insulation leading to more ponding.
These are square or round protruding openings made along the edge of the roof that drains the water away from.
The system is designed to prevent water from pooling on the roof s surface thereby preventing water damage to your home.
The drains must allow a large volume of water equal to the square footage of your roof times the number of inches of rain to drain quickly.
Venting allows water to pass out of the drains easily.
Storm water can be received in three different ways.
The water travels through these pipes until it is dispensed into a gutter or downspout at the side of the building.
Drains are usually placed at the lowest point of the roof as this is where water collects the most.
A roof drain is installed on a building roof or canopy to convey storm water from the roof or canopy to the storm drainage sewer or retaining area.
From the roof drain to the storm drainage piping to storm sewer eventually making it s way to the city sewer system.
In many cases early structures were designed primarily as a shelter from the rain their very purpose was to redirect rainfall and maintain a particular area.
Roof flashing made from heavy grade rubber lead or sheet metal holds the vent pipe in place.
How do commercial roof drains work.
Interior commercial roof drains.
Today houses are vented through the roof.
Roof drains usually include a cast iron grate to prevent debris from blocking the flow of water down the drain.
Vents are a major component in a home s drainage system.