My Gutters Go Into 4 Inch Pvc

Then use the information below to see what size gutter you need.

My gutters go into 4 inch pvc.

By connecting a series of pvc pipes underground and hooking them up to your gutter system you can divert the water away from the home and safely into a designated area. I plan on burying my downspouts and having them merge into one 4 drain pipe. 5 inch 5 520 square feet. Once the pvc was glued i set it in the trench.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. It connects fairly well so the backfill was enough to hold that in to place. Size downspouts to fit the gutter. A typical house in the chicago area can have in excess of 50 000 gallons of water fall on the roof in just one year.

And topsites i do agree. I don t think that side of the home has of 2k square feet of roof at the most. My roof in cincinnati will capture about 145 000 gallons this year. The length will be about 200 ft from the first downspout to the discharge.

The discharge will be at a nice point far from my house. Fittings can be permanently welded to the pipe with pvc cement. Smooth 4 inch diameter plastic sdr 35 sewer pipe is the material i prefer to use. Once every two years or so we get storms where the the existing gutter system on 90 of the homes in the area can t handle the flow of water from a torrential storm.

Allowing your roof water to simply discharge onto and into the soil around your house is a big mistake. This pipe has a smooth interior and closely resembles the thick walled plastic piping used for interior house drain and vent piping. Step 1 start from the location of the down spout on the gutter system and mark the desired path of the pvc drainage pipe on the ground using construction marker spray. Roof area the locale s rainfall intensity and gutter capacity determine how many square inches of downspout are needed.

A square inch of downspout can drain 1 200 square feet of roof during a rain with an intensity of one inch per hour. Run water into the gutter at the top of the. There should be no more than a inch drop in the direction of the downspout. There will be a total of 4 downspouts merging into the same line.

I used 4 pvc and fittings because it was readily available but any size would potentially work. I m thinking 4 should be sufficient. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. If it looks like the gutter is loose check the gutter fasteners.

Fasten a piece of pvc 45 degree angle joint to one end of a piece of eight to 10 foot long 4 inch diameter plastic sdr 35 sewer pipe. Doubling the number of downspouts halves the required capacity for each. The rainfall that falls on an average roof can be tremendous.