How To Install Gutter Downspout

How do you add a downspout to a gutter?

Screw a downspout elbow to the outlet tube protruding down from the gutter. Hold another elbow against the house and cut a piece of downspout to fit between the two elbows. Use needlenosed pliers to slightly crimp the elbow to fit into the downspout (as shown). Fasten the parts together with pop rivets or screws.

How should downspouts be installed?

  1. The general rule is that there needs to be a downspout for every 40 feet of the gutter. …
  2. Downspouts need to be emptied at least 10 feet away from the house.

What do you put at the bottom of a gutter downspout?

Use Splash Blocks at the End of Downspouts

Splash blocks help to protect your lawn from damage as water flows out of the gutter drainage system. They connect to the bottom of your gutters and collect water that would otherwise pool at your home’s foundation.

How deep should downspout drains be buried?

Downspouts should be buried at least a foot deep underground. If you live in a cold climate, keep in mind that the frost line falls between 36 and 48 inches underground. In that case, you should dig down to below that depth to previent the need to thaw your gutters and downspouts during a cold snap.

How many downspouts do I need for 40 feet of gutters?

A common guideline is that you need one downspout per 40′ span of gutter for proper drainage, but this is usually not enough for a 2”x3” downspout. A homeowner should also consider the size of the roof which will factor into how much water is going into the gutter.

How much does it cost to add a downspout?

Aluminum gutters and downspouts—the most frequently installed type of gutter system—cost about $3,000 per home, on a national average, translating to about $20 per linear foot. Costs can begin as low as $1,000 for the project total, or $7 per linear foot, and peak around $5,000, or $33 per linear foot.

How many downspouts do I need for 50 feet of gutters?

If we have to sum it up in a single rule, gutters need a downspout around every 30 to 40 feet. For most homes, this means installing spouts at either end of a gutter section.

How do I redirect downspout water away from my house?

Redirecting roof runoff is as simple as adding a downspout extension. These are plastic (PVC) or metal extensions that attach to the bottom of your existing downspout. The extension should carry your roof runoff at least three to five feet away from your home to prevent any water damage to your home or foundation.

How far should downspouts extend from house?

On sloped land with clay-rich soil, downspouts should extend at least three feet out from the foundation. On flat land, the Association recommends 10 feet, unless the soil is very sandy, in which case the extender may need to be much longer.