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Why Do Gutters Get Clogged?

Gutters get clogged for a variety of reasons, some of which you can prevent, some of which you can’t. Below are four reasons why your gutters might be clogged

Leaves and proximity to trees

The closer your house is to trees and branches, the more likely it is that leaves will wind up in the gutters. Trees shed leaves all year round, though of course they do so most heavily in autumn. To prevent this, consider installing gutter guards

Ice and a poorly ventilated attic

A poorly ventilated or insulated attic will cause heat from your house to escape, leading to snow on your roof  melting. From there it will fall into your gutters. Since the gutters are colder, the snow will freeze into ice, causing a blockage. 

This can cause additional clogging and eventually the weight of the ice will damage your home and gutters.


Weeds seem to be able to grow anywhere, and gutters are no exception. All a weed needs to grow is a little moisture and gutters are full of it. Once a plant begins to grow, the roots can cause additional blockages. 

Organic material

It’s sometimes surprising the way organic material can find its way into gutters. Whether it’s raccoon droppings or bird’s nests, it will usually break down into a black sludge. Great for your compost pile, but not for your gutters. The only way to prevent this is with gutter guards.

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