Where Does The Rainwater Go From My Roof

To get an idea how much water the roof of your own house might yield use the rainfall harvest calculator above.

Where does the rainwater go from my roof.

So a 50 x 20 roof is 600 x 240 multiply the roof dimensions by the number of inches of rainfall. Gutters and a downspout. Minimizing water intrusion through roof vents in high wind regions 2 of 8 r 7 oofing 12 10 mitigation guidance soffit vents key issues n it is important to keep the soffit ma terial in place. In this example 600 x 240 x 1 144 000 cubic inches of water divide by 231 to get the number of gallons because 1 gallon 231 cubic inches.

To prevent it damaging the walls drenching persons standing below or entering the building and to direct the water to a suitable disposal site where. For garden or lawn irrigation. For example most ranch style homes have a 3 12 or 4 12 pitch roof. Rainwater can be collected from most roof types depending on the quality of rainwater required.

Take the dimensions of the footprint of your roof and convert them to inches. Collect from any roof material except unsealed asbestos. Rain barrel supplies list. Just a half inch of rain falling on a 1 000 square foot roof will yield 300 gallons of water.

The first step in sizing a roof drain is to calculate the surface area of the roof that the drains will be covering as well as the average hourly rainfall rate at the building location. Any trees touching or hanging over the roof should be trimmed back. It is necessary to prevent water dripping or flowing off roofs in an uncontrolled manner for several reasons. Rain barrels for example do not provide any type of disinfection or filtration.

Make sure your roof is free of debris and does not hold or collect water. When the roof shingles do not extend past the metal drip edge the water will suck back on the metal drip edge this is called capillary action and run behind your gutters. While some water can be blown into the attic through almost any type of soffit vent the amount of water intrusion increas es dramatically when the. Ensure all gutters fall towards the outlets.

In a charged line rainwater system the water is pushed into the tank by water pressure in the pipe. After a big storm or a long snowy spell always check. Dirt and germs can be washed into collected rainwater from the roof especially when rain follows several days of dry weather 3 4 9. The next step is to determine each roof area that will be served by a separate leader drain pipe scupper or downspout.

A rain gutter eavestrough eaves shoot or surface water collection channel is a component of a water discharge system for a building.