Proper Drainage For A Gutter Downspout

Clean gutters regularly to keep rainwater flowing freely.

Proper drainage for a gutter downspout.

Since my in ground pipe ran right past the garage i had the garage downspout dump in as well. Attach elbow to bottom end of downspout and connect a downspout extension to carry rainwater away from the foundation. The gutter outlet capacity should suit the downspout capacity. Begin second downspout photo by smith baer.

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. 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. For any house it s important to remove the water that runs off the roof as quickly as possible. 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.

This time glue a sanitary t fitting to the pipe end and the other end of its trench. Make another adapter and reducer assembly for the second downspout. Offset of more than 10 ft 3 0 m can affect drainage capacity. All gutters need to be firmly attached to the center of the downspout aligned under the lip of the roof.

10 gutter and downspout runoff tips. I can t tell you how many houses i see where the downspouts empty onto a splash block at the base of the foundation. There are many things you can do to improve the effectiveness of your gutters. Without proper drainage erosion would ultimately damage that landscaping.

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. Downspouts on gutters that drain large roof areas or if you live in an area with torrential rains. Slope long gutter runs 40 feet or more down both directions from the middle and put a downspout on each end. To do this i cut the black corrugated pipe added a t and aimed the pipe upwards to the downspout.

Screws are the best option for connecting gutters because they won t back out over time. 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. Buy special roof hanger mounting straps for houses without fascia boards or for fascias that aren t vertical. Stormwater drainage from roofs is a topic sometimes ignored by builders and homeowners alike.

Click here to get free fast bids from local landscapers who can install downspout drain lines. The size of the downspout should be constant through out its length.