Broken gutters No doubts above gutters will break more often than underground gutters. The risk of being carried away from the house by the wind, the heavy rains weight, or falling trees could easily brake regular gutters. Underground, on the other hand, there's not much going on.
Have you ever wondered why some homes have downspouts that lead into the ground? It may seem strange, but the answer is actually quite simple. Downspouts are a critical part of a home's gutter system. Their job is to direct rainwater away from a home's foundation and towards an area where it can safely disperse.
Your gutter downspouts should not touch the ground. Otherwise, the rainwater might get backed up in the gutter until it starts overflowing.
Benefits of Burying Downspouts
Enhanced Safety: Reduces the risk of tripping hazards and damage to landscaping. Effective Drainage: Prevents water from pooling around your foundation, reducing the risk of basement flooding and soil erosion.
The cardinal rules for downspout placement suggest that they should be located at every corner of the house and approximately every 20 to 30 feet along the gutter line.
The general rule is that there needs to be a downspout for every 40 feet of the gutter.
However, there are some common issues caused by buried downspouts that homeowners should be aware of. One of the most common problems with buried downspouts is clogging. Over time, debris such as leaves, dirt, and twigs can accumulate in the pipe, leading to blockages.
Water pooling around your downspouts, underground drains, or foundation is one of the most easily spotted signs of a clog in your underground drain. Something is preventing the water from flowing where it needs to be, forcing it to return the way it came in, leading to pooling water.
Size of the Gutter Drainage Area: As a rule of thumb, one downspout should be placed every 25-35 linear feet of guttering. Depending on the local climate and rainfall intensity, some homeowners may need more downspouts. Many homeowners add extra downspouts to boost the drainage capacity of their gutters.
Benefits of Underground Downspouts
Buried downspouts work best when they extend at least 10 feet away from the home. At this distance, water from the gutters won't be able to drain next to foundation walls which lowers the chances for water damage immensely.
In-ground gutter drain systems minimize the chance of flooding from water in your home. In the event of a heavy rainstorm, the excess water flows by the gutter system into underground downspouts. It is then transported away from your home into larger water collection areas through underground pipes.
Your new gutters should be installed at a certain angle to ensure rainwater is diverted to the drains. As a rule of thumb, gutters should have a slope of 1/4 inch for every 10 feet.
Incorrect placement can also cause erosion of the soil around your house, infestations of insects in the gutters, and damage to the siding or foundation. And all of these issues are often expensive to fix. It is recommended that gutters are placed under or 'behind' the drip edge of your roof.
Choosing the wrong downspout pipe, like a perforated pipe, defeats the purpose and allows water to leach through the line near the home's foundation. Instead, homeowners should use a solid corrugated pipe when burying downspouts. Solid pipe is the best option because it's flexible and can be run in one piece.
One of the safest ways to clean gutters from the ground is by using a power washer. It is also ideal when you haven't had the chance to clean the gutters before a storm or rain. The high pressure of the power washer works effectively to get rid of the wet and sticky leaves from the gutters.
Burying your gutter downspouts is a fantastic way to reap their benefits while also keeping your yard looking pristine. Underground downspouts can help guide rainwater away from your home's foundation—and channel it to the thirsty areas of your lawn.
One of the most important benefits of installing buried downspouts is protecting your home's foundation from water damage. Improper drainage can result in pooling water that seeps into the ground near the foundation, causing cracks, shifting, and other structural issues over time.
Calculating Downspouts Based on Gutter Length
The general rule of thumb is one downspout for every 20-30 feet of gutter. This may vary depending on several factors such as the pitch of your roof, the volume of rainfall in your area, and the capacity of your gutters.
The only way to completely prevent underground drains from clogging is preventing any debris from going down there in the first place. If you have under ground drains, it is highly recommended that you have some sort of leaf protection on your gutters or strainers in your downspouts.
Many homeowners do not realize that their downspouts run into an underground downspout system, sometimes called a french drain. These underground downspout drains can get clogged as easily as your gutters can with leaves and debris.
Use a Drain Snake
This is probably the easiest method: get yourself a drain snake and use it to manually clean out the pipe after disconnecting the underground drain from the downspout. This method is best if you have a minor clog caused by leaves, twigs, and other organic material that is easy enough to push through.
If you see water gushing back out from the drainage pipe or spilling from the seams on the adapters, that's a good sign of a clog. Because the water is unable to flow down and out properly, it backs up inside the downspout pipe and starts to leak from the seams and joints.
Cost to bury downspouts and install drainage system
Installing an underground downspout drainage system costs $150 to $350 per downspout on average. This system includes a downspout extension up to 10' long, trenching, a catch basin, drainpipe, and a bubbler system.
Underground downspouts are vertical pipes attached to the gutter of a house or building, which carry, lead, or redirect rainwater away from the building. Downspouts assits gutter drainage by carrying the water to the road, a nearby drainage system, or to the side of your home.