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Yes, gutters can still get clogged even with gutter guards installed. While guards significantly reduce the amount of debris that enters your gutters, they are not 100% effective.

Small debris such as pine needles, seedlings, algae, small leaves, and pebbles can pass through the guard's screen or mesh and accumulate over time. Clogs can also form if the guards themselves are not cleaned and become overwhelmed with debris on top, preventing water from entering the gutter.

If this buildup is neglected, it can lead to clogs, water leaks, mold growth, and even plants sprouting from the gutters. The primary benefit of gutter guards is not the complete elimination of maintenance, but a dramatic reduction in how often you need to perform it, often from several times a year to just once a year or less.

On a typical three-bedroom home, gutter cleaning takes about one hour. For larger homes, especially those with multiple stories, the job can take two to three hours. The time required may increase if the gutters need extensive cleaning, the roof is steep, the gutters are hard to reach, or if gutter guards need to be uninstalled and reinstalled.

The kind of gutter guards you have will affect how often you need to clean them. The more basic type of gutter screen requires cleaning once or twice a year. With a micromesh screen, you may be able to extend the time between cleanings to every two years or so.

However, if you have trees near your roof, you’ll need to clean your gutters more frequently, especially if you have chicken-wire or colander-type gutter guards. If you have pine trees near your roof, you may even need to clean your gutters quarterly, as tiny pine needles can get through any type of gutter guard.

The cost to install a downspout extension or reroute a downspout generally falls between $30 and $200. The final price depends on factors like whether you DIY the project or hire a gutter professional, the complexity of your gutter system, and the length of the new extension. A simple, above-ground DIY installation can cost as little as $30 for materials. In contrast, a more complex project involving professional installation and digging trenches for underground piping could cost over $1,000. This is still a significant saving compared to replacing your entire gutter system, which costs around $1,900 on average.