While it may seem too far away, standing water in the gutter system can also cause an unhealthy level of humidity in the basement. This may mean that flooding occurs in the basement during rains. Excessive moisture can also damage walls and ceilings and ruin furniture, making some of the items you keep, such as fabrics and seasonal clothing in the basement, useless. If you're not careful, it can also promote mold and mildew growth along basement walls.
The gutters can hold up to 10 mm of water for 3 days after it has stopped raining and are considered to meet standards. One of the most common reasons why large amounts of water accumulate in a gutter system is simply because the gutters are clogged. The easiest way to prevent standing water in your gutters from causing problems is to make it a standard practice to routinely clean your gutters twice a year. Your point of view that a gutter doesn't need a “perfect” slope is true, but that's not the same as having a gutter that traps the water.
However, did you know that standing water in your gutters can damage your foundations? Let's take a closer look at how standing water in gutters can affect the foundation of your home. Installing gutter protectors is an effective way to prevent stagnant water from accumulating in the gutters.
