My Gutters Go Into 4 Inch Pvc

The length will be about 200 ft from the first downspout to the discharge.

My gutters go into 4 inch pvc.

My roof in cincinnati will capture about 145 000 gallons this year. 5 inch 5 520 square feet. And topsites i do agree. I m thinking 4 should be sufficient.

How many downspouts can i run into a single 4 pvc. 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. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Size downspouts to fit the gutter.

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. Allowing your roof water to simply discharge onto and into the soil around your house is a big mistake. If a roof s various drainage areas call for different size gutters go for the biggest one k style. There will be a total of 4 downspouts merging into the same line.

There should be no more than a inch drop in the direction of the downspout. The rainfall that falls on an average roof can be tremendous. I used a 3 4 stepdown coupling on the end of the pvc and put my black corrugated pipe around the 3 inch end. I don t think that side of the home has of 2k square feet of roof at the most.

Run water into the gutter at the top of the. Doubling the number of downspouts halves the required capacity for each. Then use the information below to see what size gutter you need. Fittings can be permanently welded to the pipe with pvc cement.

I plan on burying my downspouts and having them merge into one 4 drain pipe. It connects fairly well so the backfill was enough to hold that in to place. A square inch of downspout can drain 1 200 square feet of roof during a rain with an intensity of one inch per hour. 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.

Wipe pvc glue using its applicator around the outside and. The discharge will be at a nice point far from my house. 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. This pipe has a smooth interior and closely resembles the thick walled plastic piping used for interior house drain and vent piping.

I used 4 pvc and fittings because it was readily available but any size would potentially work. Smooth 4 inch diameter plastic sdr 35 sewer pipe is the material i prefer to use. If it looks like the gutter is loose check the gutter fasteners.