How To Redirect Very Strong Rain Roof Runoff

How to redirect rain off a roof 1.

How to redirect very strong rain roof runoff.

The clark county extension recommends using french drains to divert roof rain water to ponds or a perforated pipe system to slow the water flow. Score the surface of the drip edge with 80 grit sandpaper. A 1 000 square foot roof can produce more than 600 gallons 2 271 2 l of runoff for every 1 of rain that falls on it. Use pliers to bend the end of the downspout as needed to get a tight fit.

A french drain uses a perforated pipe placed in a gravel filled trench to direct water flow while allowing slow seepage along the drain s path. Place a piece of standard metal drip edge onto a table or between a pair of sawhorses. Another simple and. A downspout can be connected to one or more rain barrel s.

You can also use a plastic downspout extension of the same size. Use corrugated plastic tubing to direct overflow away from the foundation of your home. Fill it with gravel to slow the runoff and allow the water to seep into the soil. You can extend the flow of water out of the downspout even more with a rock channel.

Rather rain barrels are most useful as an addition to other stormwater controls. A rain diverter is a specially made piece of metal flashing available at home improvement centers that is used to divert rainwater away from a doorway. 3 use the water that drains off your roof. Add a longer section to the end of the downspout to keep water away from the house.

Installing a sheet metal rain diverter on a roof. Extend downspouts if the rainwater tends to pool near your downspouts consider extending them to lead the water away from the affected area. An overflow device allows excess water to escape when the barrel or cistern is full. This is done to give the paint a better surface to adhere.

However it certainly didn t help that all of our neighbors ourselves included until we knew better had huge paved decks effectively sealing off the majority of the earth that could otherwise absorb some of that water. Use sheet metal screws to secure the extension to the elbow. Gutters are a common way to handle rain running off a roof but if your house doesn t have gutters you can still keep rainwater away from doors by installing a rain diverter. Last week i talked a bit about how a green roof is one way to help manage stormwater runoff.