Crew tearing off an old membrane and wet insulation on a commercial roof

Commercial Roofing Services in Grand Island

Which Roof System Fits Your Building, and Is It Time to Replace?

Our commercial roofing services in Grand Island cover TPO, EPDM, industrial, and metal roofs, plus full replacement when a roof is past repair.

Commercial Roofing Services in Grand Island by System

Four systems make up our commercial roofing services in Grand Island. Each card names the roofs it fits.

Roofer heat-welding a TPO seam with a hot-air welder on a commercial roof

TPO Roofing

Heat-welded white membrane for low-slope offices, retail, and conditioned warehouses. Welds get probed and every curb flashed before the roof is closed out.

See TPO roofing
Crew brushing black EPDM rubber membrane into adhesive on a flat commercial roof

EPDM Roofing

Flexible black rubber sheet, adhered or ballasted, for cold rooms and older flat roofs. Seams are primed and taped, and flashing runs up every wall.

See EPDM roofing

Which System Fits Which Roof

Start from the roof in front of you. Each card pairs a common condition with the job that comes first.

If Your Roof

Has One Torn Seam and Dry Boards Around It

Everything else on the walk checks out fine.

Start WithA seam repair
If Your Roof

Runs Kitchen, Lab, or Process Exhaust

Grease and chemicals at the vents break down some membranes quickly.

Start WithIndustrial roofing with a resistant sheet
If Your Roof

Has Wet Insulation Across Most of the Field

Core cuts or a scan show soaked boards far past the leak areas.

Start WithFull roof replacement
If Your Roof

Sits Over Offices That Run Warm

Upper floors heat up all summer under a dark membrane.

Start WithWhite TPO roofing

Signs It Is Time to Replace a Commercial Roof

Commercial roof replacement in Grand Island makes sense once repairs stop holding. These are the signs we look for.

  • Leaks come back in new places after each repair, even where old patches still hold.
  • A moisture scan or core cuts find wet insulation across large parts of the field.
  • The membrane has shrunk away from walls and bridges tight at parapets and curbs.
  • The roof already carries one recover layer, so a full tear-off usually comes next.
  • Hail has split the membrane or crushed insulation over wide areas of the roof.
  • Tear-off needs a City of Grand Island building permit under City Code Section 8-22.
  • Drains and scuppers have been patched so often that water now ponds around them.
  • New rooftop equipment is coming, and the curbs under it need rebuilding anyway.

Roof Already Past Patching?

Water inside today

Call and tell us which room and which roof.

Ready to price a new roof

Schedule a roof walk and written scope.

Schedule Free Inspection

What Every Replacement Scope Lists

A scope you can compare line by line is the fastest way to judge two bids for the same roof. Ours lists these four items on every replacement.

Membrane and Thickness

The system, brand, and sheet thickness, plus whether the field is mechanically fastened, adhered, or ballasted over the deck.

Insulation and Cover Board

Board type, total thickness and R-value, any tapered sections at drains, and the cover board that goes over the foam.

Flashing at Every Edge

Heights and materials at parapets, curbs, pipes, and drains, with new edge metal where the old trim is bent or loose.

Tear-Off and Staging Plan

How many layers come off, where the crane and dumpsters set up, and which sections are open on which days.

How a Commercial Roof Replacement Moves Section by Section

Replacement runs in sections so the building stays dry and open every night, with the same five steps repeated until the last section is flashed.

Roofer and building owner walking a commercial roof before a replacement scope is written
  1. 1

    Survey the Old Roof

    Core cuts, a moisture scan, and a look at the deck from inside show how many layers come off and how much insulation is wet.

  2. 2

    Plan Permits and Lifts

    Permit paperwork, crane days, and dumpster spots get settled so shipping doors and entrances stay clear.

  3. 3

    Tear Off One Section

    Old membrane and wet boards come off only as far as the roof can be dried in before evening.

  4. 4

    Install Insulation and Membrane

    New insulation, cover board, and the chosen sheet go down, with tapered boards wherever water used to stand.

  5. 5

    Flash and Close Out

    Curbs, drains, and parapet walls get new flashing, seams get probed, and the next section begins.

Replacement and Permit Questions

What owners ask once replacement is on the table.

When should a Grand Island commercial roof be replaced instead of repaired?

Replace it when leaks keep turning up in new spots, when the membrane is brittle and shrinking, or when wet insulation runs across big parts of the roof. A moisture scan or core cuts show how far the water spread. Isolated damage on a healthy roof gets a repair.

Does a commercial roof replacement in Grand Island need a building permit?

Plan on one. City Code Section 8-22 calls for a building permit before a building is altered or repaired, and the 2021 International Building Code the city adopted covers roof assemblies in Chapter 15. Check the scope with the Building Department before tear-off starts.

Which building code applies to reroofing an existing Grand Island building?

Grand Island has adopted the 2021 International Building Code and the 2021 International Existing Building Code. The state code under Neb. Rev. Stat. 71-6403 points to the 2018 editions, and the city applies its newer local adoption to each reroof permit.

How is a Grand Island commercial roof replacement scheduled around business hours?

Work runs section by section, and each day's tear-off is dried in before evening. Crane lifts, dumpsters, and loud work get timed around shipping, customer hours, or shifts. A mechanical contractor disconnects rooftop units where needed, and interior protection goes under open areas.

Does tear-off cost more than a recover?

Up front, yes. A recover skips removal and disposal, so it costs less when the old roof is dry and has one layer. Tear-off removes wet insulation and resets the roof for the next replacement, and core cuts decide which one your roof allows.

Can a replacement switch to a different roof system?

Often it does. An old ballasted EPDM roof can come off for TPO, or a worn membrane over sloped framing can become standing-seam metal. The walk-through and the building's use set the system, and the scope spells out what changes at curbs, edges, and drains.

Book Commercial Roofing Services in Grand Island

Send the address and what you are seeing on the roof, and we will schedule the walk-through.

Call Us (402) 833-7562