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Roofing · Lawrence, KS

Roof Flashing Repair in Lawrence, KS — Professional Service

Roof flashing repair in Lawrence, KS. Failed flashing around chimneys, vents, skylights, and valleys resealed or replaced to stop leaks at their most common source.

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Roofer resealing metal flashing around a brick chimney on a steep roof in Lawrence, KS
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Expert Roof Flashing Repair in Lawrence, KS

Roof flashing repair addresses leaks at their most common source. Flashing is the metal that seals every point where your roof surface meets an obstruction — the chimney, plumbing and furnace vents, skylights, dormer walls, and the valleys where two roof slopes come together. Shingles shed water off the open field of the roof, but at these transitions it is the flashing that keeps water out. When it fails, water finds its way into the roof deck and down into your home, often showing up as a ceiling stain several feet from the actual entry point.

Flashing fails in predictable ways, and Kansas weather accelerates every one of them. The roofing-grade sealant that ties flashing to masonry and shingles dries out under summer UV and cracks in winter cold. The metal itself corrodes over decades. And freeze-thaw cycling works fasteners loose and lifts flashing edges just enough for wind-driven rain and snowmelt to sneak underneath. Chimney flashing is the most failure-prone of all because it is assembled from several overlapping pieces, and a failure in any one of them lets water in — which is exactly why the older parts of Lawrence generate more of these calls than the newer subdivisions do. Old West Lawrence and East Lawrence carry a much higher density of original masonry chimneys, dormers, and complex roof valleys than the newer construction west of Kasold, and every added chimney, dormer, and valley is one more flashing point that eventually needs attention.

We start every flashing call with a thorough inspection that identifies the true water entry point, not just the interior symptom. Where the metal is still sound and only the sealant has failed, we clean the joint and reseal it with a durable, roofing-grade product. Where the flashing is corroded, cracked, or was poorly installed to begin with, we remove it and install new galvanized or aluminum flashing, then reset the surrounding shingles so the whole assembly sheds water the way it should.

This is core handyman roofing work that we handle directly. If our inspection turns up damage beyond the flashing itself, we will give you an honest assessment and coordinate next steps with our licensed roofing contractor partners rather than pushing a repair that will not hold. Call 877-519-9702 for a free flashing inspection.

Chimney Flashing
Vent & Pipe Boot Flashing
Skylight Flashing
Valley Flashing
Step Flashing

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Call us directly for a fast, no-obligation estimate on your roof flashing repair project.

877-519-9702
Mon–Fri 7am–6pm · Sat 8am–2pm
Written estimate before work starts

How We Handle Roof Flashing Repair

1

Leak & Flashing Inspection

We inspect every flashing point — chimney, vents, skylights, valleys, and wall-to-roof transitions — to find the exact spot where water is getting past the seal.

2

Honest Diagnosis

We explain whether the flashing can be resealed or needs full replacement, and provide a written estimate before any work starts.

3

Remove & Reseal or Replace

Failed sealant and corroded or lifted flashing is removed. We reseal sound metal with fresh roofing-grade sealant or replace damaged flashing with new galvanized or aluminum stock.

4

Weather-Tight Finish

New flashing is bedded, fastened, and sealed so water sheds correctly, then the surrounding shingles are reset to protect the repair.

5

Leak Verification

We confirm the repair addresses the true water entry point, not just the interior spot where the stain appeared.

Roof Flashing Repair Questions Answered

Common questions from Lawrence homeowners about our roof flashing repair service.

Still have questions?

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What exactly is roof flashing, and why does it fail?
Flashing is the thin metal — usually galvanized steel or aluminum — installed at every spot where the roof surface meets something else: chimneys, plumbing and furnace vents, skylights, dormer walls, and the valleys where two roof planes join. Flashing fails when the sealant around it dries out and cracks, when the metal corrodes or lifts, or when repeated freeze-thaw cycles work fasteners loose. Because flashing sits at the roof's weakest points, it is the single most common source of roof leaks.
I have a ceiling stain near my chimney — is that a flashing problem?
Very often, yes. Chimney flashing is one of the most failure-prone areas on any roof because it involves multiple pieces — base flashing, step flashing, and counter-flashing — all working together. A stain on the ceiling near a chimney or on the wall beside it usually traces back to failed chimney flashing rather than damaged shingles.
Can flashing be resealed, or does it have to be replaced?
It depends on the condition of the metal. If the flashing itself is sound and only the sealant has failed, we can clean the joint and reseal it with a fresh, roofing-grade product. If the metal is corroded, cracked, bent, or was improperly installed, resealing only buys a little time and full replacement is the honest recommendation. We tell you which situation you are in after the inspection.
How long does a flashing repair take?
Most single-point flashing repairs — one chimney, vent, or skylight — are completed in a few hours. Replacing valley flashing or flashing along a longer wall-to-roof transition can take most of a day because surrounding shingles have to be carefully lifted and reset.
Why do older Lawrence homes need more chimney and dormer flashing work?
Simple math — more roof features mean more flashing points. Old West Lawrence and East Lawrence have a much higher share of original masonry chimneys, dormers, and multi-plane roof valleys than the newer subdivisions west of Kasold, and every one of those transitions is a place flashing eventually needs resealing. It is not that the flashing itself is worse there, there is just more of it.

Roof Flashing Repair Cost in Lawrence, KS

Roof flashing repair in Lawrence typically runs $200–$500 for resealing or replacing flashing at a single point such as a plumbing vent, furnace vent, or skylight. Chimney flashing repairs run higher, usually $300–$700, because chimneys involve multiple flashing components that often need to be addressed together.

Valley flashing replacement, which requires carefully lifting and resetting the surrounding shingles along the length of the valley, typically runs $500–$1,200 depending on the valley's length and roof pitch. Steep-pitch roofs, common on two-story homes in Old West Lawrence and East Lawrence, may carry a modest access surcharge. Every flashing repair starts with a free inspection and a written estimate before work begins. Call 877-519-9702.

Get an Accurate Price

Every job is different. Call for a free, no-obligation estimate specific to your project.

877-519-9702
Free estimate — no obligation
Upfront price before work starts
No surprise fees — ever

Roof Flashing Repair Available Across the Area

We bring the same roof flashing repair service to homeowners throughout our coverage area, not just Lawrence.

Colby, KS Pauline, KS Gardner, KS Wabaunsee, KS Olathe, KS Leavenworth, KS Shawnee, KS Rossville, KS View All Service Areas

Related reading: Handyman Cost in Topeka, KS

Get a Free Roof Flashing Repair Estimate in Lawrence

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Topeka, KS & 31 Nearby Cities
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