Chimney Flashing Repair in the Twin Cities, MN | Free Estimate
Minneapolis · St. Paul · Surrounding Cities

Chimney Flashing Repair in the Twin Cities

The metal seal where your chimney meets the roofline is one of the most common leak sources in the entire system — we repair or replace it correctly the first time.

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Chimney flashing repair in the Twin Cities
The short answer: MockingBird Chimney repairs and replaces chimney flashing across the Minneapolis–St. Paul metro. Flashing is the metal seal where the chimney meets the roofline, built from step flashing, counter flashing, and sometimes a cricket on wider chimneys, all designed to route water around the chimney rather than into it. Flashing fails through rust, loose fasteners, deteriorated sealant, or improper installation from the original build. Because flashing repair depends heavily on the roofing material and chimney size, estimates are free and given after we look at the actual installation on-site.
What's Included

What flashing repair actually involves.

Flashing inspection

Checking step flashing, counter flashing, and sealant for gaps or corrosion.

Step flashing repair

Individual pieces resealed or replaced where they've pulled away or rusted through.

Counter flashing replacement

The top layer that tucks into the masonry, resealed or rebuilt when it's failed.

Cricket / saddle installation

A small ridge built behind wide chimneys to divert water around them properly.

Roof-safe sealant

Flexible, weather-rated sealant applied at every seam and transition point.

Roofing material matching

Flashing work coordinated with your existing shingle or roofing type.

Signs You Need One

How failing flashing shows up.

01

Water stains near the chimney on the ceiling

Flashing failure is one of the most common leak sources anywhere on the chimney system.

02

Visible rust or gaps in the metal

Corrosion or separation where the flashing meets the chimney or roof deck.

03

Missing or curling caulk

Dried, cracked sealant at the flashing seams no longer blocks water the way it should.

04

A wide chimney with no cricket

Chimneys over roughly 30 inches wide need a cricket behind them to shed water properly.

05

A recent roof replacement without flashing work

New shingles installed around old, unaddressed flashing is a common source of new leaks.

Pricing

Why flashing pricing varies by roof.

Roofing material and chimney width affect the job more than the flashing itself.

Free

On-Site Estimate

No service call fee, no obligation. Written quote before any work begins.

Extent of the repair

Resealing a section costs far less than a full flashing replacement.

Chimney width

Wider chimneys may need a cricket, which adds material and labor.

Roofing material

Asphalt shingle, metal, and tile roofs each require different flashing techniques.

Access & pitch

Steep rooflines add complexity and safety requirements to the job.

How It Works

Four steps, no surprises.

Step 01

Call or text

Tell us what you're seeing — a stain, rust, or a recent roof job.

Step 02

Free on-site estimate

We inspect the flashing and give you a written quote.

Step 03

The repair

Resealed, repaired, or replaced, matched to your roofing material.

Step 04

Walkthrough

We confirm it's watertight and back it for three years in writing.

Common Questions

Straight answers.

It depends on the extent of the repair, chimney width, and roofing material. We give a free on-site estimate with a written quote before any work begins.

Step flashing is a series of overlapping metal pieces woven into the roof shingles along the chimney's sides. Counter flashing is the top layer that tucks into the masonry and covers the step flashing, directing water down and away from the joint. Both need to work together to actually seal properly.

Often, yes, especially for counter flashing work at the masonry side. Step flashing repairs sometimes require lifting nearby shingles, which we handle carefully to avoid creating a new leak point.

Because flashing is chimney work, not roofing work, and it's sometimes skipped or reused during a roof replacement. Old, failing flashing left in place under new shingles is a common source of leaks that show up right after a roof job.

A cricket is a small peaked ridge built behind a chimney to divert water and snow around it instead of letting it pool against the uphill side. Chimneys wider than about 30 inches typically need one, especially on steeper roofs.

Quality flashing installed correctly can last 20 to 30 years, similar to a roof's lifespan. Sealant at the seams typically needs attention sooner, often within 5 to 10 years depending on weather exposure.

Service Area

Flashing repair across the Twin Cities metro.

Roughly 40 miles out from Minneapolis and St. Paul.

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Seeing a stain near the chimney?

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