Siding washing in Shelburne, Vermont

What Happens When You Don’t Clean Your Siding?

It’s easy to forget about your home’s siding — it’s always there, quietly doing its job. But in Vermont, where the weather swings from snowy winters to humid summers, neglecting your siding can lead to more than just a dirty exterior. If you’ve been putting off cleaning, here’s what could be happening — and why professional siding cleaning might be worth the investment.

Mold, Mildew, and Algae Build-Up

When siding goes unwashed, moisture, pollen, and debris can settle into nooks and corners. Over time, this creates the perfect environment for mold, mildew, and algae to grow. Not only does this make your home look unkempt, it can cause discoloration and even structural damage, particularly on vinyl or composite siding.

Deterioration of Material

Leaves, dirt, and algae might not seem like much, but they can accelerate wear on your siding. Water trapped behind buildup can seep into seams or under panels, leading to warping, rotting, or even water damage inside your home. A little grime left unchecked can quickly turn into a bigger problem that costs hundreds or even thousands of dollars to fix.

Reduced Curb Appeal and Home Value

Let’s be honest — first impressions matter. Dirty or stained siding can make your home look older and neglected, potentially lowering your property value. Regular professional siding cleaning keeps your home looking fresh and well-maintained, which is especially important if you’re planning to sell or simply want to enjoy a home that feels cared-for.

DIY vs Professional Cleaning

Some homeowners try DIY cleaning with a hose or pressure washer. While this can remove surface dirt, it’s easy to damage siding or miss hard-to-reach areas. High-pressure washing can even force water behind panels or strip protective coatings.

Professional siding cleaning, like what we offer at Green Mountain Shine, uses soft washing techniques, eco-friendly solutions, and specialized tools to remove mold, mildew, dirt, and algae safely. We also make sure water flows properly and siding isn’t damaged in the process.

Siding washing in Shelburne, Vermont

Bottom Line

Neglecting your siding can lead to mold, deterioration, reduced home value, and long-term damage. Vermont’s climate makes regular cleaning even more important, and hiring a professional ensures the job is done safely, thoroughly, and effectively.

At Green Mountain Shine, we help homeowners across Burlington and Vermont protect their siding, restore its appearance, and prevent costly repairs — all without the risk or hassle of DIY cleaning. Your siding does a lot for your home; taking care of it is an investment that pays off every season.


Mark Monaghan
Owner, Green Mountain Shine
Professional siding cleaning and exterior home care for Vermont homeowners.
🌐 www.greenmountainshine.com

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