Commercial roofing for Bowling Green and South-Central Kentucky(270) 236-5625
Crew installing new metal edge and termination bar on a flat commercial roof
Commercial Roofing Service

Bowling Green Flat Roofing Contractor

Find Out Whether Your Flat Roof Is Draining the Way It Should

Choose a Bowling Green flat roofing contractor that builds the whole low-slope system: deck, tapered insulation, membrane, drains and edge metal.

  • Drains CheckedBowls, rings and strainers
  • Tapered InsulationSlope built into the boards
  • Edge MetalTermination bar and coping set
Roofing crew on the flat roof of a two-story brick downtown building

Low-Slope Systems

Flat Roofing in Bowling Green

To a Bowling Green flat roofing contractor, a flat roof is really a low-slope roof with just enough pitch to move water to drains, scuppers or gutters. When that slope is missing, water sits, and standing water finds every weak lap.

We treat the flat roof as layers that work together. The deck, insulation, cover board, membrane, flashing and edge metal all get checked and built as one system.

  • Tapered insulation and crickets for positive drainage
  • Drain bowls, clamping rings and scuppers reset
  • Edge metal and termination bar at the perimeter

Is This Roof A Fit?

Does Your Flat Roof Need a System Fix?

Some flat roofs need a patch. Others need the layers below rebuilt. These columns sort them.

Surface Repair Works

Repair
  • Water clears within two days after rain
  • One leak near a known detail
  • Insulation firm underfoot
  • Drains open and set at the low points

System Work Needed

Rebuild
  • Ponds that stay for days
  • Soft, spongy spots across the field
  • Drains sitting higher than the roof around them
  • Edge metal loose or rusted through

Flat Roof Failures

Flat Roof Problems on Bowling Green Buildings

Low-slope roofs fail where water collects or where layers separate.

  • Drains And Scuppers

    Ponding Water

    Deflected deck and crushed insulation create low spots that hold water. It speeds membrane wear and keeps seams wet.

  • Drains And Scuppers

    Clogged Scuppers

    Leaves and debris block scuppers and gutters, backing water up against the wall flashing.

  • Deck And Insulation

    Crushed Insulation

    Foot traffic and old wet boards compress under the membrane, leaving soft spots and fastener pops.

  • Deck And Insulation

    Built-Up Roof Blisters

    Older built-up and modified bitumen roofs blister where moisture got trapped between plies.

  • Edge And Parapet

    Perimeter Leaks

    Rusted gravel stop and loose termination bar let wind and water into the roof edge.

Flat Roof Options

Flat Roofing Options for Bowling Green Properties

A flat roof can be finished three ways. The building use and the existing roof guide the choice.

Surface
Seams
Fits

EPDM Low-Slope

Black rubber
Primed and taped
Simple roofs, few units
What We Install

TPO Low-Slope

White thermoplastic
Hot-air welded
Large roofs, cooling loads

Built-Up Repair

Asphalt plies with gravel or cap sheet
Hot or cold applied
Keeping a sound existing BUR roof

Water Still Standing Two Days After Rain?

Call and tell us where the water collects. A quick look at the drains often explains it.

Flat Roof Steps

Our Flat Roof Process From Deck to Drain

A Bowling Green flat roof job follows five steps built around getting water off the roof.

  1. Inspect Your Roof

    We map ponding, check drains and scuppers, and cut cores to see the insulation and deck.

    On The Roof
  2. Design the Slope

    Tapered insulation and crickets are laid out so water heads for every drain and scupper.

    Paperwork
  3. Rebuild the Layers

    Damaged deck is fixed, then insulation and cover board are fastened or adhered.

    On The Roof
  4. Install the Membrane

    TPO or EPDM goes down, with laps welded or taped and drains clamped in.

    On The Roof
  5. Secure the Edges

    Edge metal, coping and termination bar lock down the perimeter before a final walk.

    On The Roof

Why Build It Right

Benefits of a Well-Built Flat Roof

Treating the flat roof as a full system pays back in four ways.

Water Leaves the Roof

Built-in slope moves rain to the drains instead of letting it sit.

Drier Seams

Laps that stay dry between storms last longer.

Firm Underfoot

Cover board spreads foot traffic so insulation keeps its shape.

Wind-Ready Edges

Secured edge metal keeps storms from peeling the perimeter.

Repairing vs A New Flat Roof
FactorRepairingA New Flat Roof
PondingSmall, near a clogged drainLarge areas, lasting days
InsulationFirm and dryCrushed or wet
Drainage fixClear and reset drainsTapered insulation and crickets
EdgesReseal a sectionNew edge metal all around
DeckFirm between joistsSagging bays to replace

Flat Roof Checklist

What a Flat Roof Walk Covers

A Bowling Green flat roof walk covers the full path water takes off the roof.

  • Every drain, strainer and clamping ring
  • Scuppers, gutters and downspouts at the walls
  • Low spots where water stays after rain
  • Soft insulation under the membrane
  • Edge metal, coping and termination bar
  • Parapet flashing and wall counterflashing

Bowling Green Flat Roofs

Bowling Green Flat Roofs and Their Drainage

Drainage looks different on three common Bowling Green building types.

Downtown Internal Drains

Brick buildings near Fountain Square drain through internal drains set low in the roof. Several old layers often bury the drain bowl.

Retail Scuppers and Gutters

Strip centers along Campbell Lane push water to scuppers and gutters at the back wall, which clog with leaves.

Large Low-Slope Fields

Wide warehouse roofs need tapered insulation between drains so water does not settle in long, shallow ponds.

Rooftop Service Paths

Walkway pads between the hatch and the rooftop units protect flat roofs where HVAC techs cross the same path every month.

Related Work

Membranes and Services for Flat Roofs

Flat roofs connect to these services.

TPO Roofing

White welded membrane over the tapered system.

See the service →

Commercial Roof Repair

Leak repair at drains, scuppers and laps.

See the service →

Commercial Roof Replacement

Tear-off when wet insulation covers too much roof.

See the service →

Owner Questions

Bowling Green Flat Roofing Contractor Answers

Answers about low-slope roofs in Bowling Green.

More commercial roofing answers

Roof Systems And Repairs

How do you fix ponding water on a flat roof?

Ponding is fixed by clearing and resetting drains, adding tapered insulation or crickets that steer water to the drains, or replacing sagging deck. Water still on the roof about 48 hours after rain is worth fixing.

What does tapered insulation do on a flat roof?

Tapered insulation boards are cut with a built-in slope, so the finished roof surface tilts toward the drains even when the deck is level. It is the main tool for curing ponding during a replacement.

Can an old built-up flat roof be repaired?

Yes, when the plies are still attached and the insulation is dry. Blisters and splits are cut out and repaired with matching plies. When moisture is spread through the roof, a new membrane system is the better value.

Why does my flat roof leak only in heavy rain?

Leaks that show up only in heavy rain usually point to water backing up at a clogged drain or scupper and rising over a flashing or seam. Clearing the drains and raising the flashing height often solves it.

Areas And Permits

What is cover board and does a flat roof need it?

Cover board is a thin, firm board laid over the insulation before the membrane. It spreads foot traffic, resists hail bruising and gives adhered membranes a smooth surface. Most new flat roofs with rooftop equipment benefit from it.

Next Step

Get Water Moving With a Bowling Green Flat Roofing Contractor

Send the address or call. We map the ponding, check the drains and price the fix.

(270) 236-5625
Call Us (270) 236-5625