Reasonable Roofing — Header · "The Standard" theme
Serving Michigan Since 1984
A+ BBB Rated
4.8 Google Rating
Thick ice dam built up along a roof edge and gutter after heavy Michigan snow
4.8★★★★★255 Google reviews
Ice Dams · Winter Roof Service

Your roof isn't leaking. Your attic is.

Ice dam removal, leak repair · and the fix that stops them coming back.

An ice dam is a symptom. Cold weather is the trigger; heat escaping your attic is the cause. We deal with the ice safely, repair what the water reached, and find the heat leak so next February looks different. Two Michigan offices, family-owned since 1984.

★★★★★ 4.8 · 255 Reviews
Since 1984
Licensed & Insured
Free, no-obligation estimate

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Tell us where the ice is and where the water shows up. A local expert calls you back.

Service Type Form Fill
No spam, ever. No pressure. Just an honest answer about your roof and your attic.
Since 1984
Ice Dam Removal & Repair
Attic Air-Sealing & Insulation
Free Estimates
4.8★ 255 Reviews
Water Coming In Now?

Five things before we get there.

The next hour matters more than the diagnosis. Do these, then call — we'll tell you when we can be there.

Catch it and clear it

Bucket under the drip, plastic on the floor, and move furniture, electronics, and rugs out of the wet zone.

Photograph everything

The ceiling, the ice on the eave, the icicles, and the date. Your insurer will want the timeline.

Don't chip the ice

Hammers and hatchets break shingles and tear gutters loose. Eave ice drops without warning.

Don't pour hot water

It refreezes lower down, makes the dam bigger, and glazes the walkway underneath.

Rake from the ground

A roof rake on the first three to four feet above the eave removes the snow that feeds the dam. Ground only, away from power lines.

HEATED LIVING SPACE ~68°FATTICwarms as air leaks updeck above 32°F — snow melts from underneatheave below 32°Fmeltwater refreezes into a damOUTSIDEbelow freezing1234
The freeze-thaw loop · hover or tap the numbers
How an ice dam actually forms

Warm attic. Cold eave. Water with nowhere to go.

1

Heat leaks up through the ceiling

Can lights, the attic hatch, bath fans, plumbing and wiring holes — every one is a chimney for warm air. The attic ends up warmer than the air outside.

2

The roof deck warms above 32°F

Snow melts from underneath, not from the sun. The Department of Energy notes it takes as little as two inches of snow on the roof to start the cycle.

3

Meltwater refreezes at the cold eave

The overhang sits outside the heated house, so it stays below freezing. The water hits it and turns to ice — that ridge along the gutter line is the dam.

4

The pool climbs under the shingles

Shingles shed water running down, not water standing behind a wall of ice. It works under the laps, through the deck, into insulation and drywall — usually along an outside wall.

Three conditions have to line up, and Michigan supplies all three from December to March: snow on the roof, a roof surface above freezing higher up, and a roof surface below freezing at the eave. Two of those are weather. The middle one is your attic.

The Heat-Loss Map

Eight places the warm air usually gets out.

1

Recessed can lights

Older cans are open to the attic and run hot. A few of them across a top-floor ceiling can warm a roof deck by themselves.

2

The attic hatch or pull-down stairs

Usually a thin panel with no gasket and no insulation — a hole in the ceiling the size of a door.

3

Bath fans that vent into the attic

Warm, wet air blown straight onto the underside of the deck. It melts snow and grows frost and mold at the same time.

4

Plumbing stacks and wiring holes

Every pipe and cable that passes through the ceiling leaves a gap around it. Small individually, big together.

5

The chimney chase

Framed chases around chimneys and flues are often open from the basement to the attic — one continuous warm shaft.

6

Thin insulation at the edges

Where the roof meets the wall there's no room for full depth, so the eave end of the ceiling is the least insulated part of the house — directly under where the dam forms.

7

Kneewalls and dropped soffits

Cape Cods, bonus rooms, and kitchen soffits create hidden cavities that connect heated space to the attic.

8

Blocked soffit vents

Insulation pushed into the eaves cuts off the cold air that's supposed to wash the underside of the deck. The attic can't stay cold if it can't breathe.

WARM ROOMS BELOW12345678
Attic cross-section · the usual suspects, numbered
60-Second Self-Check

Is your attic the problem?

Check everything that's true for your house. No email, no signup — just a straight read on where your ice dams are coming from.








0 of 8 checked
Start checking

Every box you check points at the attic.

Most Michigan ice dams trace back to two or three of these. Check the ones that fit and we'll tell you which fix usually comes first.

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Removal Is the Bandage

Four fixes, in the order they actually work.

Skip a step and the dam comes back. Do them in order and most houses never see one again.

Fix 1 · First

Air-seal the ceiling plane

Foam and caulk the can lights, hatch, top plates, plumbing and wiring holes, the chimney chase, and the bath-fan duct. This is the cheapest fix and the one that matters most — it stops the warm air before it reaches the deck.

What it doesn't do: add R-value. Sealing and insulating are two different jobs.
Fix 2 · Then

Insulate to R-49

Michigan's code minimum for our counties is R-49 — about 14 to 16 inches of blown insulation — and the newer code cycle points toward R-60. Insulation slows the heat that sealing didn't catch.

What it doesn't do: stop air leaks. Blowing insulation over an unsealed ceiling just hides them.
Fix 3 · Then

Ventilate so the attic stays cold

Baffles at every rafter bay keep a clear channel above the insulation, balanced soffit and ridge venting keeps outside air moving under the deck, and the roof stays as cold as the weather.

What it doesn't do: fix a leaky ceiling. Venting a warm attic just pulls more heated air up from the house.
Fix 4 · At Re-roof

Ice barrier at the eaves

Michigan code requires ice-and-water shield from the eave to at least 24 inches inside the warm wall. When your roof is replaced, that membrane is the last line of defense if a dam ever forms again.

What it doesn't do: prevent the dam. It limits the damage a dam can do.
Roofing crew installing ice and water shield underlayment at the eaves of a Michigan roof
If the water already got in

We repair what the dam reached — and what let it in.

Backed-up water rarely stays at the eave. By the time a ceiling stains, it has usually soaked insulation, wet the top of the wall, and sometimes rotted the first row of decking. Our crews open it up, dry it out, and rebuild it properly.

  • Eave and deck repair — replace rotted sheathing and fascia, reset drip edge, install ice-and-water shield to code or beyond.
  • Gutters torn loose by ice load — re-hang, re-pitch, or replace, and fix the fascia behind them.
  • Interior water damage — wet insulation out, drywall and paint, with photos for your insurance file.
  • Attic corrections — air-sealing, insulation, baffles, and bath-fan ducting done while the attic is open.
Getting the Ice Off

What actually happens to your roof with each method.

Every winter we repair roofs that were fine until someone tried to fix the ice dam.

Method
Risk to the roof
Does it work?
The honest verdict
MethodHammer, hatchet, or ice pick
RiskHigh
Works?Briefly
VerdictCracks shingles, tears gutters, and drops eave ice on whoever is swinging. The most expensive way to remove ice.
MethodRock salt or ice-melt pucks
RiskMedium
Works?Barely
VerdictCorrodes aluminum gutters, stains siding, kills the plants below, and leaves most of the dam intact.
MethodHot water from a hose
RiskMedium
Works?No
VerdictRefreezes lower on the roof and in the gutter. You end up with a bigger dam and an ice rink on the walkway.
MethodRoof rake, from the ground
RiskLow
Works?Prevents
VerdictRemoves the snow that feeds the dam. The one thing worth doing yourself — ground only, away from power lines.
MethodProfessional removalOurs
RiskLow
Works?Yes
VerdictRoof-safe techniques that take the ice off without wrecking the shingles, quoted before we start — followed by the attic work that keeps it from coming back.

Heat cables? They melt drainage channels; they don't stop dams. We'll tell you if your roofline is one of the few that genuinely needs them after the attic is fixed.

Winter, By County

Why our part of Michigan grows ice dams.

The dam needs snow on the roof and a swing across 32°F. Our winters deliver both, over and over.

22″Port Huronaverage annual snowfall · ~36 snow days
31″Harbor Beach · the ThumbLake Huron adds snow to every northeast wind
38″Detroit · Oakland & Macombaverage annual snowfall · ~45 snow days
32/18°January in Metro Detroitaverage high / low — the freeze-thaw sweet spot

Snowfall and temperature figures are NOAA 1991–2020 climate normals for the nearest reporting stations.

The dangerous winter isn't the coldest one. It's the one that snows, thaws to 34°F for an afternoon, and freezes hard again that night — a January pattern Metro Detroit and the Thumb repeat a dozen times a season. Every cycle melts a little more from the top of the roof and adds a little more ice at the bottom.

Insurance, Straight

What's usually covered, and what isn't.

Usually covered: the sudden interior damage — stained ceilings, wet drywall, soaked insulation, ruined flooring — and the roof repair where the water forced its way in. Most Michigan policies treat an ice-dam backup as a covered peril.

Usually not covered: removing the ice, and the attic air-sealing, insulation, and ventilation that prevent the next one. Carriers call that maintenance, and some will argue the whole loss was maintenance if the paperwork is thin.

What protects you: photos of the ice and the damage with dates, a written cause-of-loss from us, and prompt notice to your carrier. Michigan law gives you at least one year from the date of loss to bring a claim (MCL 500.2833), and the state's insurance regulator, DIFS, takes consumer complaints at 877-999-6442 if a settlement doesn't add up.

The Reasonable Standard

What we won't do to your house.

  • Chip, hack, or salt your roof to get the ice off.
  • Walk an icy roof to make a point.
  • Sell you heat cables as a cure.
  • Blow insulation over a ceiling nobody sealed.
  • Promise a time we can't keep — we tell you when we can be there.
  • Pretend the ice is the problem when the attic is.
Keep Reading

More on ice dams and attics from our crew.

Ice Dam Questions

Straight answers for a Michigan winter.

Because the cause is inside the house. Warm air leaking into the attic melts snow from underneath, and the meltwater refreezes at the cold eave. Removing the ice buys you this week; until the attic is air-sealed and insulated, the next thaw rebuilds the dam in the same spot.
Usually the interior water damage is - a sudden backup into ceilings, walls, and insulation is a covered peril on most policies. Removing the ice and fixing the attic usually are not. Document the storm dates and the damage with photos, and call your carrier early. If you disagree with the settlement, Michigan's DIFS consumer line is 877-999-6442.
Please don't. Hammers, hatchets, and hot water break shingles and pull gutters loose, and eave ice falls unpredictably. Rock salt and ice-melt pucks corrode aluminum gutters and stain siding while leaving most of the dam in place. The one safe DIY move is a roof rake used from the ground.
They melt drainage channels so water has a way off the roof - they do not stop dams from forming, and they draw power all winter. They earn their keep only after the attic is sealed and insulated, on spots the architecture forces ice into anyway: north-facing valleys, dormers, and low-slope eaves. Ask us before you buy them.
The current Michigan code minimum for our counties is R-49, which is roughly 14 to 16 inches of blown insulation, and the newer code cycle heads toward R-60. Insulation alone will not stop ice dams - air-sealing the ceiling plane first is what makes the insulation work.
No - it stops leaks. Michigan code requires it from the eave to at least 24 inches inside the exterior wall line so backed-up water can't reach the deck. We treat it as the last line of defense at re-roof, not the fix.
From the ground, yes. Rake the first three to four feet above the eave after a heavy snow, keep the pole well away from power lines, and never do it from a ladder or the roof. Clearing that band removes the snow that feeds the dam.
Catch it and move what's underneath. Don't chip at the ice and don't pour hot water on the roof. If snow is on the eave, rake it from the ground. Then call - we'll tell you when we can be there and what to do in the meantime.
Oversized icicles and a ridge of ice along the gutter line are the dam telling you the attic is losing heat. It may not leak this week, but the same conditions that built the icicles are backing water up under the shingles. It's the right moment to find the heat leak, not the moment to ignore it.
Yes - the estimate is free, no strings. Removal and prevention work are quoted clearly before anything starts, and if the honest answer is that your roof is fine and the attic needs $300 of air-sealing, that's exactly what we'll tell you.
Across Michigan

Ice dam help from Port Huron to Troy.

Port Huron covers St. Clair, Sanilac, and Lapeer counties and the Thumb. Troy covers Oakland and Macomb. Call the office nearest you. Storm and hail claims in Kalamazoo County and Southwest Michigan are handled by the same crews.

Before the Next Thaw

Get the ice handled and the cause found.

One call covers the removal, the repair, and the attic work that ends it. Estimates are free.

Family-owned since 1984 · Michigan Builders License #262000657 · Licensed & insured · Office lines are voice only — please call.