Finding and Fixing Roof Leaks
Roof leak repair is one of the most common, and most misdiagnosed, jobs in West Michigan roofing. The hard part usually isn't the fix. It's finding where the water is actually getting in.
Water gets in under a shingle, at a flashing, at a nail hole. Then it runs, on top of the underlayment or the deck, downhill, until it finds a seam or a gap to drip through. Then it's in the attic, running along the bottom of a rafter until it lets go. If you're lucky, that's your ceiling. If you're not, it's inside a wall. And even when it's headed for the ceiling, the wood and insulation soak up most of it first, so you don't see anything until there's been a lot of water. Leaks go undetected for weeks, months, years.
Two more things make it hard. First, a leak can have more than one source. The same wet spot on a ceiling can be fed by water coming in at two, three, or four places on the roof, all running to the same low point. Fix one and the stain keeps growing. Second, some leaks are intermittent. They only show in a wind-driven rain from one direction, or after a long soaker, and never any other time.
A smear of caulk over the nearest suspicious spot is exactly why so many homeowners end up with a leak that "comes back." It didn't come back. It was never fixed. We trace the leak to its origin, look for everything else that could be feeding the same spot, repair the actual failures, and confirm the fix holds. If you want to understand the warning signs first, read our leaking roof page.
Leak repair is one part of our broader roof repair service. If your roof has multiple problem areas or is near the end of its life, we'll tell you whether a repair or a replacement is the smarter spend.
Locate, Repair, Verify
Every leak follows the same three steps. No guessing, no band-aids.
- Step 1
Locate the Source
We inspect the roof surface, every flashing, every penetration, and the attic. We use moisture readings and, when the source isn't obvious, controlled water testing, isolating sections of the roof and flooding them one at a time until the leak shows. It's a process of elimination, and it's slower than guessing. It's also why the repair holds. Then we keep looking, because one stain is often fed by more than one entry point.
- Step 2
Repair It Correctly
Once we find the sources, we fix them the way they should have been built. Re-flash the chimney or valley with new metal, cut-in counter flashing, and kick-out. Replace failed pipe boots. Reseal or reseat shingles. Replace any water-damaged decking or underlayment. Choose the right sealant for each material from the forty to sixty we carry, and use it where the detail calls for it and nowhere else.
- Step 3
Verify It's Dry
A leak isn't fixed until it stays fixed. We re-test the repaired area, confirm water sheds properly, check the surrounding components, and document the work with photos so you know exactly what was done and why.
Common Sources of Roof Leaks
After thousands of West Michigan roofs, we see the same culprits again and again. Knowing where to look is half the job.
Failed Flashing
Flashing at chimneys, walls, valleys, and skylights is the number one leak source we find. Reused step flashing, no kick-out, counter flashing caulked instead of cut into the masonry. Freeze-thaw and a chimney that rocks on its own footing work every one of those joints. More on our flashing repair page.
Learn MoreFasteners and Seams
One of the most common leak sources there is, and one nobody talks about. Each shingle takes five to seven nails, tens of thousands per roof, and every one has to land in the nail line, driven flush. A nail too high misses the shingle below. A nail too close to a seam, or right in one, gives water a path straight through. Overdriven, it cuts the mat. Underdriven, it lifts the shingle above it and eventually backs out. Misplaced fasteners are easy to do on hour nine of a hot day and impossible to see once the next course is on. That's why a roof can leak in the middle of the field, years later, and nobody connects it to the install. Same with seams. A shingle seam that lands over the seam below it, instead of offset, is a straight line for water. We check nail placement and seam offset on every leak we trace, because that's where a lot of them turn out to be.
Cracked Pipe Boots
The rubber collars around plumbing vents dry out and split after 10 to 15 years of sun and cold, and the pipe moves with the house and works the boot loose. Drips straight into the attic near bathrooms and kitchens. A $500 fix that a handyman will charge $500 to caulk over.
Ice Dams
Lake-effect snow and a warm attic build ice at the eaves that forces meltwater back up under the shingles. The leading cause of winter leaks in West Michigan, and it starts in the attic. More on our ice dam page.
Learn MoreMissing or Lifted Shingles
Wind off the lake finds a seal that never bonded, usually from a cold-weather install nobody hand-sealed, and peels the shingle back. Exposes underlayment and nail heads to driving rain.
Skylights and Penetrations
Skylights, exhaust vents, and satellite mounts all break the roof plane. Worn seals, gaskets, and flashing around them are a common, easy-to-miss entry point.
Clogged Gutters (Sometimes)
You'll read everywhere that clogged gutters cause roof leaks. Usually they don't. On a normal roof with an overhang, water that overflows a gutter falls to the ground. It's a landscaping problem, not a roof leak. Where clogged gutters do cause a leak is a specific kind of house: no overhang, with the gutter hung directly on the wall. Then overflow runs down the siding, gets behind it, and shows up inside the wall. If that's your house, keep the gutters clear. If it's not, and you've got a leak, the gutter isn't the reason.
What Does Roof Leak Repair Cost?
Most leak repairs are far cheaper than the water damage they prevent. We price in three tiers, and we'll tell you how they work.
Every repair starts at $500. That's the minimum, and it's not a number we picked. It's what it costs to put a W-2 tradesman with health insurance and a 401k, in a truck carrying tens of thousands of dollars in tools, at your house and back, with the office and equipment behind him. We pay those bills twelve months a year and can work maybe eight of them. That's what the rate is built on.
- Minor repairs: $500 to about $1,500. A pipe boot. A few lifted shingles. A section of flashing. A localized leak with no wood damage. Handled by one of our Level 2 technicians, usually a few hours to half a day.
- Moderate repairs: about $1,500 to $4,000. Re-flashing a chimney or valley. A skylight replacement. A leak that took a few tries by other people to not fix. Repairs involving a section of underlayment and decking. Handled by our Level 4 technicians, usually a full day.
- Major repairs: $4,000 and up. Widespread ice dam damage. Rotted decking over a larger area. Leaks tied to structural issues. Rebuilding a section of roof. Multiple days.
Your number depends on the leak source, roof pitch and access, and how much decking or underlayment the water has damaged. We can't tell you which tier you're in from a phone call, because we can't see the roof from the phone. Get us out for a free inspection, or send photos and get one of our inspectors on the line. Either way you get a firm written price before any work begins. And if the roof is too far gone to repair economically, we'll say so and walk you through replacement options.
Active Leak Right Now? Call, Don't Wait.
If water is coming in during a storm, every hour counts. Move belongings clear, put a bucket under the drip, and call or text us right now. Even after hours. If it goes to voicemail, leave a message or send a text. Somebody on our team is watching the company phone around the clock and we respond. For a true emergency we usually get out within 24 hours, as long as the weather allows it and the roof is safe to access. We tarp and stabilize the roof to stop the damage, then come back for the permanent fix.
Call or text (616) 840-1927Why West Michigan Trusts Stellar for Leak Repair
Leak repair rewards experience, and we have several decades of doing only this on thousands of roofs and thousands of different situations. Chimneys caulked five times. Valleys that leaked through three contractors. That's where you learn how water actually moves through a roof.
When you call us for a leak, you get:
- True source diagnosis, and the second source, not guesswork
- Water testing when it takes that
- Nail placement and seam offset checked on every leak
- Repairs built for freeze-thaw, ice dams, and a house that never holds still
- The right sealant for each material, from the forty to sixty we carry
- Photo documentation of every fix
- A 10 to 15 year workmanship warranty on most repairs
Our promise is simple: find the real leak, fix it once, and prove it's dry.
Schedule Your Free Roof InspectionRoof Leak Repair Questions
How do you find the source of a roof leak?
We inspect the roof surface, flashing, and penetrations, then check the attic for water tracks, stains, and moisture. Because water travels along the deck and rafters before it drips, we trace it back to its true entry point using moisture readings and, when needed, controlled water testing, isolating sections one at a time until the leak shows. Then we look for the second source, because one stain is often fed by more than one entry point.
Why does my roof only leak sometimes?
Intermittent leaks are common. Some only appear with wind-driven rain from one direction, others only during winter ice dams or a fast spring thaw. That's exactly why locating the true source matters. A leak that seems random has a specific, fixable cause once you know where to look, and it's often the water test that finds it.
Can a roof leak be repaired, or do I need a new roof?
In most cases a targeted repair is all you need, especially if the leak is isolated and the deck is sound. Most of ours carry a 10 to 15 year warranty. A full replacement only makes sense when leaks are widespread, the roof is past 20 years, or there's extensive decking damage. We give you the answer after inspecting it. Our gallery is full of roofs where two other companies said replace and we fixed it for a few thousand dollars.
How much does roof leak repair cost in West Michigan?
Every repair starts at $500. Minor repairs like a pipe boot or a few shingles run $500 to about $1,500. Moderate repairs like a chimney re-flash or a skylight replacement run about $1,500 to $4,000. Major repairs involving rotted decking, structural work, or widespread ice dam damage run $4,000 and up. We diagnose first and give you a firm written price before any work starts. Our gallery shows real jobs with real prices.
What should I do if my roof is leaking right now?
Move valuables and electronics clear of the water, place a bucket to catch drips, and if the ceiling is bulging, carefully poke a small hole at the low point with a screwdriver to let trapped water drain into the bucket. Then call or text (616) 840-1927, any hour. If it goes to voicemail, leave a message or send a text and we'll get back to you. For an active leak we usually get out within 24 hours, weather and safety permitting, to tarp and stabilize the roof.
Will you fix the water damage inside my home too?
Our job is to stop the leak at the roof and repair the roofing components that failed, including damaged decking, underlayment, and insulation as part of the roof work. Interior finishes like drywall and paint are usually handled separately, but we document everything with photos so you have what you need for an insurance claim or a restoration contractor. If there's mold, that's a separate trade too, and we'll tell you who to call.