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610-295-7289

1 Dry Basement
  • Home
  • Services
    • Basement Waterproofing
    • Crawlspace Repair
    • Foundation Waterproofing
    • Foundation Repair
  • Our Experience
    • About 1 Dry Basement
    • Service Area
    • Photo Gallery
    • Testimonials
    • Privacy Policy
  • Free Estimate

Downspouts & Basement Leaks: What You Need to Know

How Downspouts Can Damage Your Foundation

 When it comes to keeping water out of your basement, most people think about sump pumps, waterproofing paint, or fixing cracks. But one of the most common sources of basement water problems starts above ground—with your downspouts.


Downspouts are designed to move water from your gutters safely away from your home. But when they’re too short, disconnected, or draining right at the base of your foundation, they can cause serious damage over time. Every time it rains, thousands of gallons of water can end up pooling against your home. That constant saturation softens the soil and can create paths for water to enter through even the smallest openings in your foundation.


The result? Damp basements, water stains, musty odors—and eventually, structural issues if left unchecked.


What makes this even more frustrating is how preventable it all is. In many cases, a simple downspout extension or a properly buried drainage pipe can solve the problem. But when downspouts go ignored—or when temporary fixes like splash blocks get knocked out of place—rainwater finds its way back to the foundation.


Even homes with a good grading slope can suffer if the downspouts are working against them. It doesn’t take a major storm to cause problems, either. Repeated small exposures add up fast, especially in areas with older foundations or poor exterior sealing.


This page is your guide to understanding the role of downspouts in basement moisture issues. We’ll cover what can go wrong, how to spot the warning signs, and what professional solutions are available to redirect water safely away from your home—for good.


Before you spend thousands on interior waterproofing, make sure the water isn’t coming from something as simple as a misdirected downspout.

Foundation Repair


- Foundation Crack Injection


- Carbon Fiber Straps


- Downspout Management

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Keep Water Away—Permanently

Trench and PVC pipes for buried downspout install near shed and Bilco door.

The Benefits of Buried Downspout Drainage

When it comes to protecting your home from water damage, buried downspouts are one of the smartest, most effective upgrades you can make. Instead of allowing rainwater to discharge right next to your foundation, buried downspouts channel that water safely away—usually 10 feet or more from the home—where it can no longer pose a risk. This reduces hydrostatic pressure against foundation walls, lowers the chance of basement leaks, and helps preserve the structural integrity of your property. They're also ideal for reducing soil erosion, stopping splash-back that damages siding, and keeping mulch beds and walkways from washing out during storms. Unlike temporary above-ground solutions like splash blocks or flexible tubes that get knocked out of place, buried lines are permanent, clean-looking, and low-maintenance once installed correctly.


Another major benefit is drainage flexibility. Buried downspouts can be directed toward dry wells, storm drains, daylight pop-ups, or custom exit points based on the landscape. This gives homeowners control over where water exits the system—keeping patios, walkways, and basements dry even during heavy rains. Plus, they’re a perfect complement to other waterproofing strategies, such as sump pumps and interior French drains. Most importantly, buried extensions keep water from saturating the soil at the most vulnerable point: your foundation. That’s where many basement water problems begin—and where they can be stopped for good.

Backyard with green grass, a small shed, metal fence, and a brown basement door on the right.

Why 1 Dry Basement Is the Right Team for the Job

At 1 Dry Basement, we’ve built a reputation for doing buried downspouts the right way. Our systems are designed for long-term performance, not quick fixes. We use rigid PVC pipe with watertight fittings, proper slope, and carefully planned outlet points—not cheap corrugated pipe that clogs and collapses. Every installation starts with a site evaluation so we can determine the best route, depth, and discharge location to ensure your system flows properly and stays problem-free. We don’t just bury pipe—we design full drainage systems that work.


What sets us apart is our attention to detail and commitment to doing the job once—and doing it right. We backfill trenches carefully to prevent settling, cut clean sod lines for seamless lawn repair, and test all systems before we leave. We treat your property with respect, and we leave it looking better than we found it. Whether you’re installing new downspout lines or replacing failing ones, we’re the local experts homeowners trust to get it done right the first time. With 1 Dry Basement, buried downspouts aren’t just an add-on—they’re a core part of our mission to keep your basement dry for the long haul.

Get a Free Downspout Assessment

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