4 causes of overflowing rain gutters

Clogged gutters can leave water with nowhere to go, leading to damage to your home’s foundation, fascia and siding and possible mold growth, says Lindus. (Photo courtesy of Lindus Construction)

Clogged gutters can leave water with nowhere to go, leading to damage to your home’s foundation, fascia and siding and possible mold growth, says Lindus. (Photo courtesy of Lindus Construction)

It doesn’t take an expert to know that overflowing rain gutters spell trouble. Clogged gutters can damage both the interior and exterior of your home, costing you thousands of dollars. 

There are numerous ways that gutters can become clogged and identifying these reasons can allow you to prevent this occurrence in the future. Below is a list of four common reasons that gutters can become clogged and how you can remedy the problem.

1. An overabundance of rain

While you can’t control the amount of rain you receive, you can prepare yourself for the next downpour by investing in rain gutters that are built to handle substantial rainfall. 

2. Too few gutters or downspouts on your home

In some cases, not having gutters on all sides of your home can overwork the existing portions of your gutters, making the water overflow because it has nowhere else to go. 

Adding additional gutters when your current ones cannot handle the rain they receive or adding gutters able to handle a higher capacity of rainfall can help resolve the situation. The same goes for downspouts – having too few of downspouts for the amount of guttering you have can cause gutters to overflow.

3. Clogged gutters

When your gutters clog from leaves and other organic debris and it rains, the water has nowhere to go. Instead of flowing through the gutters and out the downspouts, the water overflows, compromising your home’s foundation, fascia and siding. 

In some cases, mold can begin to grow, which is a serious health hazard. To ensure that your gutters do not clog, you have two choices. Either invest in clog-free gutters or be sure to clean your gutters several times a year.

4. Clogged downspouts

Just like clogged gutters, clogged downspouts are a hazard to the exterior of your home. Water needs to go somewhere and if downspouts are clogged, water can back up in your gutters and eventually cause your gutters to overflow. 

To keep downspouts clog-free, you can opt for oversized downspouts, which allow water to filter away from your home at a faster pace, protecting your foundation.


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An inadequate number will result in overflowing gutters, which can cause rainwater to end up in your basement, says Lindus. (Photo courtesy of Angie's List member Patricia M. of Lake Worth, Fla.)
An inadequate number will result in overflowing gutters, which can cause rainwater to end up in your basement, says Lindus. (Photo courtesy of Angie's List member Patricia M. of Lake Worth, Fla.)

Your gutters’ downspouts perform a critical task in keeping your home dry. So why aren't they working? One highly rated provider shares four possible reasons.

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