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How to Protect Your Basement and Crawlspace This Summer

Summer in Michigan means sunshine, thunderstorms and a serious rise in indoor humidity. While we’re all enjoying longer days and lake trips, the hidden areas of your home, like basements and crawlspaces, could be suffering in silence. Excess humidity in these areas isn’t just uncomfortable, it can lead to mold, mildew, wood rot, structural damage and musty air throughout your home.

Here’s how to stay ahead of summer humidity and keep your crawlspace and basement clean, dry and healthy.

summer humidity

Why Summer Humidity Is a Problem

Michigan summers are notoriously humid, especially after heavy rains or high dew points. That warm, damp air can easily creep into your basement or crawlspace, especially if it’s not properly sealed. Once inside, it condenses on cooler surfaces like concrete walls or ductwork, creating the perfect environment for mold growth and moisture-related damage.

Signs of excess humidity in your basement or crawlspace may include:

  • A musty odor that doesn’t go away
  • Visible mold or mildew on walls or beams
  • Sagging insulation or rusted metal fixtures
  • Condensation on windows, pipes, or floors
  • Increased indoor allergy symptoms or respiratory issues

5 Ways to Fight Humidity in Basements and Crawlspaces

Seal Any Openings

Small cracks or gaps in your foundation can let warm, moist air in. Sealing those cracks with professional-grade materials helps block air and water intrusion before it becomes a bigger issue.

Encapsulate Your Crawlspace

Crawlspace encapsulation creates a sealed barrier between the ground and your home. We use high-performance vapor barriers to keep out ground moisture and reduce humidity levels dramatically.

Install a Dehumidifier

A high-capacity, energy-efficient dehumidifier—especially one designed for basements or crawlspaces—can remove excess moisture from the air. At Foundation Restoration, we can recommend and install units that are right-sized for your space.

Improve Drainage Outside

Properly graded landscaping, downspout extensions, and functioning gutters go a long way toward keeping water out. Water that pools around your foundation adds to indoor humidity and increases the risk of leaks.

Schedule a Professional Inspection

Sometimes, the biggest problems aren’t visible until it’s too late. A professional inspection can uncover hidden issues before they become major repairs, saving you money and stress down the line.

 


 

5-star reviews

260+ 5-Star Google Reviews

Humidity doesn’t take the summer off and neither do we. We’ve helped hundreds of Michigan homeowners protect their basements and crawlspaces from the damage moisture brings, earning over 260 five-star reviews along the way. Whether you need encapsulation, foundation sealing, or waterproofing, our team shows up with grit, experience, and a plan to get the job done right. Call 877.MAKE.DRY or fill out our quick contact form to schedule your free inspection, let’s get ahead of the humidity before it gets ahead of you.

before and after crawlspace encapsulation

You can REST when you call the BEST! Call 877-MAKE-DRY for a free estimate.

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