Chimney flashing in Maple Grove homes often fails where the roof meets brick or stone chimneys because freeze-thaw cycles in Hennepin County push metal away from mortar joints. Cold winters cause repeated expansion and contraction while warm summers bring heavy rain that finds the gaps. We replace step flashing and counter flashing with 26-gauge galvanized or copper pieces cut to fit the specific pitch and chimney width found on 1970s-1990s houses in Arbor Lakes and nearby Brooklyn Park.
Many Maple Grove roofs also suffer from improper original flashing that sits too low on the chimney or lacks a cricket on wider chimneys. This allows water to pool behind the stack during spring thaws. We remove old sealant and rotted underlayment, install new ice-and-water shield up the chimney face, then weave new flashing into existing shingles so the repair blends with the rest of the roof plane.
Access on two-story homes near Maple Grove Hospital often requires scaffolding rather than ladders because of mature trees and sloped yards common in the area. We also check the chimney crown for cracks that direct water behind the flashing, a frequent secondary leak source after the first winter of neglect.
Technician insight
In Maple Grove the thing that catches most people out with Chimney Flashing Repair is how quickly ice dams along the north side of chimneys push flashing out of the mortar on 1980s split-levels near Elm Creek Park Reserve. Homeowners often notice the stain in the attic only after the spring thaw, by which time the decking is already soft.
Arbor Lakes split-level leak after ice dam
Water stains appeared on the second-floor ceiling after a March thaw. We found the step flashing lifted away from the chimney on the north face where repeated freeze-thaw cycles had opened the joint. We replaced the flashing, added ice-and-water shield, and rebuilt a small cricket. The homeowner reported no further leaks the following winter.
Chimney Flashing Repair Services We Offer
✓Step Flashing Replacement
Remove corroded step flashing and install new pieces woven into shingles to restore the primary water barrier at the chimney base.
✓Counter Flashing Installation
Cut and secure new counter flashing into chimney mortar joints so water cannot migrate behind the step flashing during heavy Maple Grove rains.
✓Chimney Cricket Construction
Build a small roof diversion behind wide chimneys to prevent snow and water buildup that leads to leaks on homes in Osseo and Arbor Lakes.
✓Flashing Sealant Refresh
Clean and apply high-grade polyurethane sealant at flashing edges where older caulk has cracked from winter temperature swings.
✓Integrated Underlayment Repair
Replace damaged felt or synthetic underlayment around the chimney base before new flashing is installed to eliminate hidden leak paths.
Chimney Flashing Repair Cost in Maple Grove, MN
| Service | Typical Range | What Affects It |
|---|---|---|
| Step and counter flashing replacement | $650–$1,100 | Single-story homes with easy ladder access |
| Chimney cricket addition | $450–$750 | Required on chimneys wider than 30 inches |
| Flashing plus underlayment repair | $850–$1,400 | Includes decking replacement if rotted |
| Two-story scaffolding access | $200–$350 | Added when trees or slope prevent ladder use |
Ranges are typical for Maple Grove, MN and confirmed with an exact written quote before any work starts.
How it works
- 1
Site Assessment
Inspect the chimney, roof slope, and surrounding shingles from the attic and exterior to locate active leaks and deteriorated flashing.
- 2
Material Removal
Take out old flashing, rotted wood, and failed sealant while protecting existing shingles and documenting any underlying deck damage.
- 3
New Flashing Fabrication
Cut and bend new step and counter flashing on site to match the exact chimney dimensions and roof pitch.
- 4
Installation And Integration
Weave new flashing into shingles, secure counter flashing in mortar joints, and seal all edges with compatible sealant.
- 5
Final Water Test
Run water over the repaired area to confirm no leaks remain before cleanup.
Pricing
Prices vary by chimney height, access difficulty, and whether a cricket is required.