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A flat commercial roof with large ponds of standing water, a drain clogged with leaves and a blistered membrane seam.

The Storm Damage Library · Water Getting In

Ponding Water: What It Is and How It Is Repaired

Standing water on a flat roof, slowly stressing seams and finding every weak spot. Call 615-410-9749.

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At a Glance

About Ponding Water

Flat and low-slope roofs are built to drain, and when drains clog or the roof sags, water ponds. Standing water stresses seams, grows algae and leaks through any small flaw.

We clear drains, repair seams and low areas and tell you when a recoat or a replacement makes more sense.

Flat and Low-Slope Roofs

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Damage familyWater Getting In
Most common onFlat and low-slope commercial and porch roofs
What we checkClear drains and scuppers, Check seams and flashing, Repair blisters and low spots, Recommend recoat or replace
Why it mattersPonds seep through small flaws

The Damage Sheet

How It Rates

A general guide to how urgent this damage usually is, how fast it spreads, how quick the fix is and how visible it is from the ground.

  • How urgent3 / 5
  • How fast it spreads3 / 5
  • How quick the fix3 / 5
  • How visible from the ground3 / 5

A general guide. Every roof and every storm is different, and we confirm on site.

What we check

  • Clear drains and scuppers
  • Check seams and flashing
  • Repair blisters and low spots
  • Recommend recoat or replace

Why It Matters

What Happens If It Waits

  • Ponds seep through small flaws
  • Weight can strain the structure
  • Seams and flashings fail first
  • Clogged drains cause most ponding
  • Storms make every problem worse

Where It Shows Up

Where This Is Most Common

Water damage shows what has already gotten inside: stains, wet insulation and standing water that keep working until the roof is fixed.

  • Commercial flat roofs
  • Porch and addition roofs
  • Apartment buildings
  • Low-slope sections of homes

More Damage Types

More Water Getting In

Storm Roof Tool

Repair or Replace Check

Answer a few questions about the roof’s age, the damage and past repairs to see whether repair or replacement is the likelier path.

Open the Tool

Good to Know

Questions About Ponding Water

Still have a question?

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What does ponding water look like?

Flat and low-slope roofs are built to drain, and when drains clog or the roof sags, water ponds. Standing water stresses seams, grows algae and leaks through any small flaw.

Where does ponding water show up?

It is especially common on: commercial flat roofs; porch and addition roofs; apartment buildings; low-slope sections of homes.

Can Roof Nashville repair ponding water?

We clear and test the drains, inspect seams and flashing, repair damaged membrane and low spots and tell you whether the roof needs a coating or replacement. Call 615-410-9749 or send the form to request a quote.

Request a Quote

Tell Us What Happened to the Roof

Tell us what you see, where the water is coming in and add any photos, and we will get back to you quickly with a plan. Prefer to talk? Call 615-410-9749.

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