Madison Roof & Leak
Green County, Wisconsin

Flat and low-slope roof leaks in Green County

Low-slope roofs fail differently from pitched ones and are diagnosed differently. Water does not run off, it sits, so the failure points are seams, upstands and the flashing where the roof meets a parapet or wall. Ponding that is still present forty-eight hours after rain is the clearest warning — it means the fall is wrong or a drain is blocked, and standing water will find any weakness in a seam eventually. Patching a flat roof without addressing why water is sitting there is temporary by definition.

Call (706) 696-1888

What the job involves

  • Survey of ponding areas and the falls that cause them
  • Seam and lap inspection across the full membrane
  • Drain and outlet check where water is not clearing
  • Repair matched to the membrane type rather than a generic patch

Signs you need it

  • Water still standing more than two days after rain
  • Blistering, splitting or lifted seams in the membrane
  • Staining along the line where the roof meets a wall

Why roofs fail in Green County

Green County has a winter long enough and cold enough that ice damming, not storm damage, is the dominant cause of roof leaks. The mechanism is heat loss rather than weather: warm air escaping into the attic melts snow on the upper roof, the meltwater runs down and refreezes over the cold overhang, and the resulting ridge of ice backs water up beneath the shingle courses until it finds a way in. The roof itself is usually in perfect condition. Repeated through a Green County winter, freeze-thaw also works every flashing joint progressively looser, and spring brings hail and straight-line wind on top. The reason this matters is that fixing an ice dam leak by working on the shingles does not work — the problem is insulation and ventilation, and that is a different job.

Questions about flat and low-slope roof leaks in Green County

Is ponding water always a problem?

Water that clears within forty-eight hours is normal. Water still sitting after that is adding load, accelerating membrane breakdown and will find any seam weakness. It usually means a blocked outlet or a fall that was never right.

Can a flat roof be patched or does it need recovering?

Isolated seam or puncture failures patch perfectly well when the membrane is otherwise sound. Once there are multiple failures across the field, or the membrane has gone brittle, patching stops being economic.

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Describe what you are seeing

You will get a straight answer on whether Green County needs someone out today or whether it can wait — before anyone quotes you for anything.

Call (706) 696-1888
Call (706) 696-1888