A gutter drain pipe is installed to make water drain away from the house. Water that collects next to a house can seep into a basement and cause damage. Another advantage of an underground drain pipe is you do not have an ugly piece of gutter downspout extending from your house across a lawn or flower bed. Installing a gutter drain pipe does require some manual labour. You will also need a variety of tools and materials to install the pipe.
- Skill level:
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Things you need
- Sod cutter
- PVC piping
- Drain adaptor
Determine the route for the pipe. The route should be as direct as possible to the point where the water will drain. The route should also point away from the house. Use string and stakes to mark the route. Place flour along the line of the string. Remove the string and stakes.
Dig the trench along the flour line. The trench should be 1 foot deep and 8 inches wide. Make sure the trench slopes down. If you dig out sod, place it on the side so you can later use it to cover the trench. Place the dirt on cardboard. This makes it easier to place the dirt back in the trench. Place 2 inches of crushed stone (or gravel) into the bottom of the trench.
Lay 4-inch PVC piping along the length of the trench. Place an elbow and drain adaptor on the end of the PVC piping next to the house. Attach the elbow and drain adaptor to the downspout.
Dig a wide hole at the end of the pipe that is away from the house. Line the hole with gravel that is 4 inches deep. Cover the entire pipe with 2 more inches of gravel.
Refill the trench with dirt on top of the gravel. Repair the area with grass seed or by placing the sod back in place.
Tips and warnings
- The PVC piping can also be placed above the ground. Have a professional to dig the trench if you are worried about creating a permanent down grade. It is a good idea to place a leaf strainer at the bottom of the downspout to keep leaves from getting into the pipe. Leaves can clog a pipe.
- Always make sure the pipe slopes downward. Pour water into the pipe right before attaching it to the downspout to see if it flows out.
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