Proper Drainage For A Gutter Downspout

A proper roof runoff system diverts the flow of water away from paved areas and toward storm drain systems and most importantly away from your home.

Proper drainage for a gutter downspout.

This time glue a sanitary t fitting to the pipe end and the other end of its trench. If using a splash block at end of downspout be sure the splash block and ground upon which it rests slope away from the house. For any house it s important to remove the water that runs off the roof as quickly as possible. Attach elbow to bottom end of downspout and connect a downspout extension to carry rainwater away from the foundation.

Downspouts on gutters that drain large roof areas or if you live in an area with torrential rains. Screws are the best option for connecting gutters because they won t back out over time. Make another adapter and reducer assembly for the second downspout. For the garage i used a downspout adapter without a leaf guard since there aren t trees close enough for that gutter to get clogged up.

Since my in ground pipe ran right past the garage i had the garage downspout dump in as well. Gutters can be made up of sections that are usually 10 12 feet long or they can be installed as one continuous piece up to 37 feet long. Be sure the curved elbow of the t fitting faces downstream then glue the drainage pipe from the first downspout to the sanitary t fitting. Without proper drainage erosion would ultimately damage that landscaping.

Begin second downspout photo by smith baer. To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout. Offset of more than 10 ft 3 0 m can affect drainage capacity. The gutter outlet capacity should suit the downspout capacity.

Buried or underground roof drainage downspout defects clogging overflowing holes corrosion leaks that cause wet basements or crawl areas proper installation of buried downspout extensions proper installation of french drains seepage pits at flat sites gutter downspout defects cause wet basements crawl areas questions answers about installing maintaining repairing buried roof. Downspouts should be constructed with conductor heads every 40 ft 12 2 m to admit air and prevent vacuum. Stormwater drainage from roofs is a topic sometimes ignored by builders and homeowners alike. Buy special roof hanger mounting straps for houses without fascia boards or for fascias that aren t vertical.

Clean gutters regularly to keep rainwater flowing freely. Click here to get free fast bids from local landscapers who can install downspout drain lines. All gutters need to be firmly attached to the center of the downspout aligned under the lip of the roof. Slope long gutter runs 40 feet or more down both directions from the middle and put a downspout on each end.

10 gutter and downspout runoff tips. The size of the downspout should be constant through out its length.