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Roof Repair

Flat Roof Repair in Dayton, OH

Low-slope roofs over garages, porches and extensions. Ponding, split seams and membrane gone brittle after twenty Ohio winters.

4.9 from 38 reviews
Free estimates across the Miami ValleyServing all of the Miami Valley

Free flat roof check

Tell us whether water is still sitting up there two days after it rains. That is the key question.

How Soon Do You Need Our Services?

No pressure, no obligation. We never share your details.

We check the fall first

A repair on a roof that ponds is a repair you will be paying for a second time.

Same day where we can

Seam and flashing repairs on a sound membrane are usually finished on the first visit.

Told if it is terminal

Brittle across the whole area, or wet insulation underneath, and a patch only buys a season.

The Problem

Is water still sitting up there two days after it rained?

Then the fall or the outlet is wrong, and that is the thing to fix first.

A pitched roof sheds water; a flat roof holds it, so every failure comes down to where water sits and for how long. Forty-one inches of rain on a surface with nowhere to run is a far harder test than the same rain on a steep roof. That is why the flat parts of Dayton houses often need work while the main roof is still fine. Water that ponds, freezes, expands and thaws works seams apart faster than UV ever will.

  • The fall and the outlet checked before the membrane
  • Same-day repair where the field is still sound
  • Told plainly when a patch is only buying a season
Flat Roof Repair in Dayton

Why Us

Fix the drainage, not just the split

Resealing a seam on a roof that ponds gets you the same split in a different place next year. Where the water goes is the actual repair.

01

Ponding is the diagnosis

A little standing water after heavy rain is normal. Still there 48 hours later means the slope or the outlet is wrong, and everything else follows from that.

02

Seams and edges first

Splits along an old seam and membrane gone brittle at the edges are what twenty freeze-thaw cycles produce, and both are repairable while the field holds.

03

When patching stops paying

If the surface has gone brittle across the whole area, or water is trapped in the insulation underneath, a patch buys one season and we will say so.

Roofers working on a roof in Dayton

The Difference

Why flat roofs get repaired badly so often

Low-slope work is where the shortcuts are least visible. A bead of mastic over a split seam looks identical from ground level to a properly stripped and re-bonded patch, and it lasts about a fifth as long. The same is true of roofing straight over insulation with water trapped in it.

We strip back to sound material and fix the reason water was sitting there. And we say plainly when the honest answer is that the whole surface has worn out, rather than failed in one spot.

We see a lot of these on the flat lots in West Carrollton, where a garage roof with nowhere to drain sits close to the water table.

How It Works

How a flat roof repair runs

Diagnosis, then drainage, then the repair itself.

  1. 1

    We find where water sits

    After rain if we can time it, by level if not. Ponding tells you more than the split does.

  2. 2

    We check what is underneath

    Soft or spongy underfoot means water in the insulation, and that changes the job entirely.

  3. 3

    Stripped back and re-bonded

    Not mastic over the top. The old material comes back to something sound before anything new goes down.

  4. 4

    Drainage checked before we go

    Outlets cleared and water run across it, so we both know that it leaves.

Reviews

What Dayton homeowners say

4.9 average from 38 reviews
We had a leak over the back bedroom for almost two years and kept putting a bucket under it. The team found the problem in about ten minutes. It turned out to be the flashing around the chimney, not the shingles. They fixed it that same afternoon. I wish we had called sooner.
PPatricia M.Posted on Google
We had a full tear-off on our 1950s ranch. The crew arrived at 7 every morning and finished the job in three days. They even swept the entire driveway with a magnetic roller so our kids wouldn't pick up any nails. The final price was exactly what we were quoted.
JJason B.Posted on Google
After the hail last June, our insurance company questioned whether the damage was from the storm or simply the age of the roof. The team inspected everything, took detailed photos, and joined the call with our adjuster. The claim was approved. I don't think we would have managed it on our own.
MMelissa G.Posted on Google
Good work at a fair price. I gave four stars because our job had to be pushed back a week due to rain, and I had already taken the day off. They did call ahead and kept us informed instead of simply not showing up, which I appreciated.
RRobert D.Posted on Google
A tree came down on our garage roof at around nine at night. Someone actually answered the phone, which I wasn't expecting. They had the roof tarped before midnight and came back the following week for the permanent repair. Great response when we needed help.
EEmily & Chris T.Posted on Google
We had new seamless gutters and gutter guards installed around the whole house. They made the gutters right there on site, which I hadn't seen before. We've had two heavy storms since the installation and nothing has overflowed onto the patio. That was exactly the problem we wanted fixed.
RRachel S.Posted on Google
I booked a roof inspection expecting to hear that we needed a full replacement because that's what the previous two companies told us. After inspecting it, they said our roof probably had about five years left and told us to call back when the time came. They didn't charge us for the inspection. That honesty is why they'll get the job when we eventually replace it.
TThomas W.Posted on Google
This is the second time we've used them. They installed our gutters a couple of years ago, and we recently hired them again for a full roof replacement. We even had the same crew leader both times. The quote was clearly itemized, so we could see exactly what we were paying for, including the wood underneath repairs.
DDavid & Susan H., CentervillePosted on Google

More about Flat Roof Repair in Dayton

Low-slope roofs fail differently

A pitched roof sheds water. A flat roof holds it, so every failure is about where water sits and for how long. Most flat roofs in Dayton sit over garages, porches and extensions. Three things go wrong with them. Water pools near a blocked outlet. Old seams split open. And the rubber covering goes brittle at the edges after twenty Ohio winters.

Forty-one inches of rain a year on a surface with nowhere to run is a harder test than the same rain on a 6:12 pitch. That is why flat sections often need attention while the main roof is fine, and why we price them separately from the rest of a repair job.

Repair or recover

If the covering is still sound and the fault is a seam or the flashing, it is a repair, and usually a same-day one. Flashing is much the most common version of it. If the surface has gone brittle all over, or water is trapped in the insulation underneath, a patch buys one season and no more. At that point you need a flat roof replacement, not a repair. We will tell you which one you are looking at and show you why, free and on the roof.

Frequently asked questions

How long does a flat roof last in Ohio?

Fifteen to twenty-five years depending on the material and how well water drains off it. Freeze-thaw is what shortens it here, water that ponds, freezes, expands and thaws works seams apart faster than UV ever does.

Is standing water on a flat roof normal?

A little after heavy rain, briefly. Water still sitting there 48 hours later is not normal and means the slope or the outlet is wrong. That is the thing to fix, because everything else follows from it.

Free Estimate

Fix the drainage, not just the split

We look at where water sits before we patch anything, because otherwise you get the same split next year.

Rather ask about it? Call us:

+1 (325) 880-1512

…or fill out the form.

Response
Same day
Quotes
Always free
Covering
the Miami Valley
How Soon Do You Need Our Services?

No pressure, no obligation. We never share your details.

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