How To Does Roof Draing Work

Today houses are vented through the roof.

How to does roof draing work.

Roof drainage is one of the fundamental considerations of building design. The system is designed to prevent water from pooling on the roof s surface thereby preventing water damage to your home. These are square or round protruding openings made along the edge of the roof that drains the water away from. 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 travels through these pipes until it is dispensed into a gutter or downspout at the side of the building. How do commercial roof drains work. Storm water can be received in three different ways. Vents are a major component in a home s drainage system.

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. The water weight compresses roof insulation leading to more ponding. Interior commercial roof drains. Any clog in the internal drain or scuppers leads to ponding where water simply sits on your roof.

Roof drains usually include a cast iron grate to prevent debris from blocking the flow of water down the drain. From the roof drain to the storm drainage piping to storm sewer eventually making it s way to the city sewer system. From the very dawn of building construction it has been necessary to incorporate some method of gathering and discharging rainwater from the roof of a structure. Drains are usually placed at the lowest point of the roof as this is where water collects the most.

Roof flashing made from heavy grade rubber lead or sheet metal holds the vent pipe in place. Interior drains work just like the drain in your shower or sink. 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.