🔧 Chimney Flashing Explained: The #1 Cause of Roofline Leaks in MN & WI

Noticed water stains on your ceiling or damp spots near the fireplace? Your roof may not be the issue—it could be your chimney flashing. Flashing is the metal barrier that seals the space between your chimney and roof. When it fails, leaks aren’t far behind.

In Minnesota and Wisconsin, harsh weather takes a serious toll on chimney flashing. Snow, ice dams, rain, and wind gradually loosen or corrode flashing over time. If it’s not properly sealed or becomes damaged, water sneaks into your roofline and causes costly structural damage.

At Chimney Crickets, we’ve seen flashing failure become one of the most common causes of chimney-related roof leaks. That’s why we offer expert chimney flashing repair in MN—to stop water in its tracks and protect your entire home.

🧰 What Is Chimney Flashing—and Why Is It So Important?

Chimney flashing is made of metal (typically aluminum, copper, or galvanized steel) and installed in layers to create a watertight seal around where the chimney meets the roof. It prevents rain, snowmelt, and ice from getting underneath your shingles and into your attic or walls.

Over time, flashing can:

• Pull away due to shifting or settling

• Corrode or rust from moisture exposure

• Crack from repeated freeze-thaw cycles

• Become improperly sealed from poor installation

Even a tiny gap can allow water to enter—and that water doesn’t just disappear.

🚨 Signs You Need Chimney Flashing Repair

Worried your flashing might be failing? Look for these red flags:

• 🔸 Water stains on ceilings near the chimney

• 🔸 Rust streaks on the chimney’s exterior

• 🔸 Mold or mildew in the attic near the chimney

• 🔸 Visible gaps between flashing and brick

• 🔸 Drips or water pooling inside the fireplace

If you’ve ruled out a roof leak but still have water issues, flashing is often the culprit.

🔨 Our Chimney Flashing Repair Process

At Chimney Crickets, we take chimney flashing seriously. Our repair service includes:

1. Inspection – We examine your chimney, roofline, and attic for signs of moisture and flashing failure.

2. Removal – Old or damaged flashing is safely removed without harming your roof or masonry.

3. Installation – We install new step and counter flashing using weather-resistant metal, precisely fitted to your roof slope and chimney shape.

4. Sealing – All flashing seams are sealed using high-grade caulking or roofing cement.

5. Waterproofing (Optional) – We offer additional waterproofing services for long-term protection.

This multi-step process ensures your chimney flashing stays strong through every season.

🏠 Proudly Serving Homeowners Across Minnesota & Wisconsin

From Saint Paul to Red Wing, Maple Grove to Hudson, we’ve helped thousands of homeowners stop water leaks before they become disasters. Whether your chimney flashing needs repair or total replacement, Chimney Crickets has the tools and experience to handle it right.