AskARoofer

Mold and mildew love gutter neglect

Mold and mildew love gutter neglect
June 28, 2025 at 6:00 a.m.

By The Third Estimate.

Extreme damage can occur if your gutter problems seep indoors.

When was the last time you had your gutters cleaned? It might seem like a small chore but ignoring it could lead to massive problems. Overflowing gutters can cause serious, long-term damage to everything from your foundation to your roof. What starts as a minor blockage can spiral into thousands of dollars in repairs, compromised safety and even health risks. Below, our experts here at The Third Estimate breaks down exactly how clogged gutters can affect every part of your home, and why routine maintenance is more important than you think.

Your foundation takes a hit

Your gutters are designed to carry water away from your home. When they’re clogged with debris, the water spills over the sides where does it go? Right alongside your foundation. This constant water contact can ruin your foundation over time, weakening and cracking it. Once cracks form, water can pour into your basement, causing ongoing damage. A small clog can quickly become a flooded basement situation, which is no minor fix. The damage can work its way deeper into the structure of your home, leading to costly repairs and a constant headache.

Wood rot creeps in

Do you have wood fascia boards or siding? Clogged gutters don’t only spill water close to your foundation; they also cause it to run down the sides of your home, perpetually soaking your wood. Wood repeatedly soaked will grow weak and start to rot. This is not only unsightly; rotting wood is not structurally sound your home is much more susceptible to damage from the outside. Also, it is a pest haven for termites and ants that can infest your home and continue to compromise your property. What seems like a minor gutter issue today could turn into an expensive, time-consuming repair for your home’s exterior.

Your landscaping gets washed away

 

Think about all the time you’ve spent tending your lawn and installing the perfect flowerbeds. Think about it now being all gone because the water was overflowing your gutters with rain. One strong storm can ruin your landscaping investment and leave you with a wet, soggy mess instead of a beautifully manicured lawn. Clogged gutters are more than just messy nuisances. They can destroy your soil and mulch, deprive your plants of necessary nutrients, kill your plants by waterlogging them create a mosquito nursery in your yard by allowing standing water to accumulate.

Driveway damage starts small… Until it’s not

Your driveway isn’t safe either. When water pools along the edges of your driveway seeps into tiny cracks. When temperatures drop, that water freezes and expands, making those cracks even bigger. Over time, this cycle of freezing and thawing worsens, leading to more severe damage. Before long, you’re facing sinking spots and dips that make your driveway appear uneven. These cracks and fractures compromise its stability a bumpy surface can damage your car’s tires, leading to expensive repairs. A gutter issue can quickly snowball into a costly driveway repair, putting a strain on your wallet.

Water will find a way inside your home

The damage doesn’t stop outside. When gutters overflow, water doesn’t just stay outside. It can pool on your roof with enough buildup, it can force its way under your shingles and into your attic. This water then spreads throughout your home’s structure. The signs of water intrusion might not be immediately obvious, but once they appear, it’s often too late— water stains on ceilings and walls from trapped moisture, peeling paint and warped wallpaper due to excessive humidity hidden mold growth in dark, damp areas, which can be costly and difficult to remove. By the time these issues show, the water has already done substantial damage, both inside and out.

Mold and mildew grow in your walls and ceiling

When gutters overflow and water accumulates where it shouldn’t, it creates the perfect conditions for mold and mildew to grow. This moisture often makes its way into the walls and ceilings of your home, even if you can’t see it. Mold thrives in damp, dark areas the longer it’s left unchecked, the more it spreads. This isn’t just a cosmetic problem — it affects your indoor air quality and could cause significant health issues like allergies or respiratory problems. Removing mold can be expensive, time-consuming hazardous if not handled properly. What started as a small gutter issue could lead to hidden damage in your home, making repairs more costly and complicated than you ever imagined.

Original article and image source: The Third Estimate

Have a question? AskARoofer.

Find your local roofing contractor in the RoofersCoffeeShop® Contractor Directory. 



Recommended For You


Comments

There are currently no comments here.

Leave a Reply

Commenting is only accessible to RCS users.

Have an account? Login to leave a comment!


Sign In
Westlake - Banner Ad - Lasting roofing performance & added protection against severe hail (AAR)
WTI - Sidebar Ad - TremCare (AAR)
MRA - AAR Sidebar Ad - Severe Weather Tropical
Westlake - Sidebar Ad - Special roofing that rises above it all
DaVinci - Sidebar Ad - May 2024 Unmatched, Unlimited, Uncompromising
IKO - Sidebar - Dynasty