🌧️ Why August Is a Big Month for Chimney Leak in MN & WI

You might think chimney leak are just a winter issue, but August is one of the most common months for water damage. Summer storms, high humidity, and strong rainfalls expose weak spots in your chimney system—especially after months of heat expansion and UV damage.

At Chimney Crickets, we help homeowners throughout Minnesota and Wisconsin catch and fix chimney leaks before they cause interior water damage or lead to costly rebuilds. Whether you’re in Saint Paul or Stillwater, August is the time to act.

🧱 The Most Common Causes of Summer Chimney Leaks

Water can enter your chimney through several vulnerable points, including:

• Cracked Chimney Crowns – Your chimney crown should slope away from the flue. If it’s cracked, water will pool and seep inside.

• Damaged Flashing – The metal seal where the chimney meets your roof often rusts or lifts over time, especially after a hot summer.

• Missing or Rusted Chimney Caps – Without a proper cap, rain flows straight into your flue.

• Porous Masonry – Brick and mortar naturally absorb water. If not sealed, they’ll break down faster with every rain cycle.

• Leaky Flue Tile Joints – Even inside your chimney, water can find its way in through deteriorated flue liners and joints.

🛠️ How We Fix Chimney Leaks—The Right Way

We don’t just cover the problem—we solve it. Our chimney leak repair process includes:

• Leak Detection Inspection – We use video scanning and moisture meters to pinpoint exactly where the leak is.

• Crown & Cap Repair – We reseal or rebuild your chimney crown and install stainless steel caps where needed.

• Flashing Repair or Replacement – We fix or reflash using waterproof sealants and step flashing, ensuring a tight roofline seal.

• Waterproofing Treatment – We apply a vapor-permeable sealant to your chimney’s masonry to prevent future absorption without trapping moisture inside.

All of our waterproofing products are rated for Minnesota’s extreme weather conditions.

🏠 Why You Should Act in August

Waiting until fall or winter only gives leaks more time to do damage. Summer storms combined with chimney wear create the perfect conditions for:

• Interior mold or drywall damage

• Rusted flue components

• Masonry deterioration

• Unsafe conditions for fireplace use

Getting repairs done in August ensures your home stays safe, dry, and ready for fireplace season.

📍 Serving Minnesota & Wisconsin Since 1987

From Eagan to Hudson, Chimney Crickets has been the go-to for chimney leak repair in MN for over 35 years. We’ve seen what water can do—and we know how to stop it fast.