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What Causes Gutter Overflow?

Updated: Dec 12, 2023

Gutters are the unsung heroes of our homes, quietly redirecting rainwater away from the foundation and preventing a host of potential problems. However, when gutters overflow, it can quickly turn from a minor inconvenience to a major headache. In this blog post, we'll explore the common causes of gutter overflow and provide insights into how you can prevent this frustrating issue. If you ever have any questions about your gutters or roof feel free to give our office a call! The best way to figure out the cause of the overflowing gutters is to check them out when it's raining. This way you can see exactly where there overflowing and determine why.

1. Clogged Gutter Downspout

This is the most common reason why gutters overflow. All the debris that lands on your roof eventually washes into the gutters. Small debris will flow right through the gutter system causing no issues but there will be larger items like leaves, branches, etc. that will clog up your gutters. Once your gutters get clogged the water won't be able to drain out properly. The water will fill the top of the gutters and start straying out of the top. This is why we recommend doing gutter cleanings with Homeguard at least twice a year to prevent this from happening.

2. Loose Gutters

Gutters can become loose after years of holding water etc. Sometimes when the gutters are loose the gutter will fill all the way up with water. Then once it gets to a certain point the whole gutter lifts and dumps the water out on its own like a troth. Water can also start to penetrate into the facia boards causing them to rot and seep water into your walls. If the loose gutter doesn't get fixed and re-secured with new hardware soon it will fall apart completely causing you a bigger issue to fix later on.

3. Inadequate Gutter Size

Another reason for gutter overflow could be that the gutters are not adequately sized for your home. If the gutters are too small to handle the volume of rainwater during heavy downpours, they will quickly fill up and overflow. Give us a call to determine the appropriate gutter size for your home based on its roof area and local rainfall patterns. Upgrading to larger gutters may be necessary. Homeguard can also install K-Funnels which help make a fast-flow system into the downpipes to take the water away more efficiently.

4. Poor Gutter Slope

Gutters should be installed with a slight slope to ensure that water flows toward the downspouts. If the slope is not properly configured, water can collect in certain areas of the gutter system, causing overflow in those sections. Have your gutters professionally installed or adjusted by Homeguard Roofing to ensure the correct slope. Regular maintenance can help identify and correct slope issues.

5. Damaged Gutters

Over time, gutters can suffer from wear and tear, leading to cracks, holes, or sagging sections. These damaged areas can allow water to escape and overflow. Perform regular inspections of your gutters, looking for signs of damage. Repair or replace damaged sections promptly to prevent overflow.

Gutter overflow can lead to various issues, including water damage to your home's foundation, walls, and landscaping. Understanding the common causes of gutter overflow and taking preventative measures is essential to maintain the integrity of your home and protect it from potential water-related problems. Regular maintenance, proper installation, and addressing issues promptly can go a long way in ensuring your gutters perform their vital role effectively. Don't let the drip dilemma turn into a disaster—keep those gutters in top shape!

Call 604-308-1698 for more information or to schedule a consultation.


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