Crew tearing off an old membrane and insulation down to the deck on a commercial roof

Owensboro Flat Roofing Contractor

Find Out Whether Your Flat Roof Needs a Recover or a Tear-Off

As an Owensboro flat roofing contractor, we fix ponding with tapered insulation, crickets, and new drains, then install the membrane over a recover board or a stripped deck.

Recover Over It or Tear It Off?

An Owensboro flat roofing contractor decides between these two paths using core cuts, the layer count, and the condition of the deck.

Roofer in an Owensboro Commercial Roofing shirt welding a TPO membrane seam on a low-slope roof

Recover

Existing Roof
Stays in place
Deck View
Limited to core cuts
Wet Boards
Must be cut out first
Added Weight
Increases
Drains, Edges
Often raised
Roofer walking a commercial roof and checking seams and drains before a repair

Tear-Off

Existing Roof
Removed to the deck
Deck View
Full view of the deck
Wet Boards
Removed with the roof
Added Weight
Unchanged
Drains, Edges
Reset as needed

The building code limits recovers over wet or damaged roofs and over roofs that already carry extra layers, and the local inspector confirms which path fits.

Flat Roofing Problems Around Owensboro

Nearly flat roofs show their drainage problems plainly once you know where to look after a rain.

  • Water rings around the drains

    Likely Cause

    Deck deflection near the drain bowl and clogged strainers leave a shallow pond that never quite empties.

    What We Do

    We clear and reset the drain, then build slope with tapered insulation so water reaches the outlet.

  • Water trapped behind rooftop units

    Likely Cause

    Large curbs act like dams on the uphill side, and nothing turns the water around them.

    What We Do

    A cricket, a small sloped section behind the curb, splits the flow and sends it toward the nearest drain.

  • Ice sheets on the roof in winter

    Likely Cause

    Ponds that sit for days freeze on cold nights and load the deck with extra weight.

    What We Do

    Low spots get mapped and filled with tapered panels so water drains before it can freeze.

  • Dirt rings and algae on the membrane

    Likely Cause

    Water that stands for days leaves silt behind and wears the seams under it faster.

    What We Do

    Seams inside the rings get probed and patched, and the slope plan removes the pond itself.

  • Overflow scuppers running in every storm

    Likely Cause

    Primary drains are too few, too small, or blocked for the area they serve.

    What We Do

    New drains or through-wall scuppers add outlets where the drainage plan shows the largest low areas.

Flat Roofing Systems for Owensboro Buildings

Four ways to move water off a flat deck. Most roofs use two or three together.

Tapered Insulation

Boards cut with a built-in slope lead water to existing drains. It fits membrane roofs where the drains are already in the right places.

Crickets

Small sloped sections behind curbs and between drains turn trapped water toward an outlet instead of letting it sit against a unit.

New Drains Or Scuppers

Extra outlets go into low spots on large areas with too few drains, tied into the building’s piping or through the parapet.

Metal Retrofit

Framing fastened through the old roof creates new slope to gutters for a metal roof, which suits roofs with chronic ponding.

Benefits of Fixing Drainage on a Flat Roof

Water that leaves the roof quickly takes most of the wear away with it.

  • Seams sitting under water

    Laps that spend days submerged wear faster than the rest of the sheet and open first.

    What Drainage Work Does

    Slope toward the drains keeps seams dry between storms, so they age with the field.

  • Extra weight on the deck

    Every pond adds load that older joists were never sized to hold for days at a time.

    What Drainage Work Does

    Removing the pond takes that load off and stops the sag that made the low spot.

  • Freeze damage on cold nights

    Frozen ponds expand against flashing and seams and turn into sheets of ice over walkways.

    What Drainage Work Does

    Drained roofs have little standing water left to freeze between winter storms.

  • Mud and leaves in the outlets

    Slow water drops silt and leaf litter that clog strainers and back water up even more.

    What Drainage Work Does

    Faster flow carries debris to the strainers, where a spring and fall cleaning keeps it moving.

Water Standing for Days After Rain?

Snap a photo from the roof hatch a day after a storm if you safely can. It shows us the low spots before we even walk the roof.

How Your Owensboro Flat Roofing Contractor Builds the Slope

Drainage gets solved before the membrane is chosen. This is the order on a flat roof.

  1. Inspect Your Roof

    Core cuts, a layer count, and drain sizes and locations come first, along with every stain inside matched to its spot overhead.

  2. Map The Low Spots

    A drainage plan marks each pond on a roof drawing, so tapered panels, crickets, and outlets are ordered for the actual roof.

  3. Tapered Panels Or New Drains?

    Roofs with drains in the right places get tapered insulation; large areas with too few outlets get new drains or scuppers as well.

  4. Recover Or Tear-Off?

    Dry, single-layer roofs can take a recover board and new sheet; wet or multi-layer roofs come off to the deck.

  5. Lay And Seal The Membrane

    The chosen membrane goes down over cover board, drains get new rings and strainers, and each section is tied in before the crew leaves.

Membranes We Install on Flat Decks

Once the slope is set, one of these goes on top.

TPO Roofing

Welded white sheets fit cooled buildings and wide open roofs where fewer field seams help.

EPDM Roofing

Taped rubber sheets fit heated storage and recovers over dry, flat existing roofs.

Metal Roofing

A framed metal retrofit replaces the flat roof surface entirely where ponding keeps coming back.

Ponding and Drainage Questions

Common Question

How do you fix ponding water on a flat roof in Owensboro?

By giving the water a path. Tapered insulation builds slope to the drains, crickets turn water around curbs, and new drains or scuppers add outlets in big low areas.

Each low spot is marked on a roof drawing first, so the fix matches the roof instead of a guess.

What is tapered insulation on a flat commercial roof?

Rigid insulation boards made in a range of thicknesses that, laid in order, create slope on a flat deck. They go down under the cover board and membrane, so the roof surface tilts toward each drain while the deck itself stays level.

Can a flat roof recover go over the existing roof in Kentucky?

Sometimes. The Kentucky Building Code limits recovers over wet or damaged roofs and over roofs that already carry extra layers. When the existing roof is dry and the layer count allows it, wet spots are cut out, drains are extended, and a cover board goes down before the new sheet.

How long does a flat roof replacement take?

Roof size, tear-off depth, and weather set the schedule. Small buildings take days and large ones run in sections over weeks. Each section is removed, rebuilt with tapered insulation and cover board, covered with membrane, and sealed before the crew leaves for the day.

Why does water pond near the drains first?

Drains often sit at a slight high point after decks sag between joists, and strainers collect leaves and grit. Both leave a shallow ring of water that never quite reaches the outlet. Resetting the drain lower and adding a tapered sump around it usually clears the ring.

Schedule an Owensboro Flat Roofing Contractor

Tell us where water stands after rain and how long it stays. We will map the low spots and price the drainage and membrane together.

Call Us (270) 249-4493