I don t think that side of the home has of 2k square feet of roof at the most.
My gutters go into 4 inch pvc.
The rainfall that falls on an average roof can be tremendous.
5 inch 5 520 square feet.
Roof area the locale s rainfall intensity and gutter capacity determine how many square inches of downspout are needed.
Run water into the gutter at the top of the.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
If it looks like the gutter is loose check the gutter fasteners.
Allowing your roof water to simply discharge onto and into the soil around your house is a big mistake.
I m thinking 4 should be sufficient.
It connects fairly well so the backfill was enough to hold that in to place.
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.
Fittings can be permanently welded to the pipe with pvc cement.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
A square inch of downspout can drain 1 200 square feet of roof during a rain with an intensity of one inch per hour.
Doubling the number of downspouts halves the required capacity for each.
Wipe pvc glue using its applicator around the outside and.
My roof in cincinnati will capture about 145 000 gallons this year.
This pipe has a smooth interior and closely resembles the thick walled plastic piping used for interior house drain and vent piping.
I plan on burying my downspouts and having them merge into one 4 drain pipe.
There should be no more than a inch drop in the direction of the downspout.
How many downspouts can i run into a single 4 pvc.
Once the pvc was glued i set it in the trench.
Size downspouts to fit the gutter.
I used 4 pvc and fittings because it was readily available but any size would potentially work.
The discharge will be at a nice point far from my house.
Then use the information below to see what size gutter you need.
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.
Smooth 4 inch diameter plastic sdr 35 sewer pipe is the material i prefer to use.
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.
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.
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.
There will be a total of 4 downspouts merging into the same line.