Crew spraying coating across a ribbed commercial metal roof in Bloomington, IN
Commercial Metal Roofs

Bloomington Metal Roof Coating Contractor

Restore Rusted Steel Roofs by Sealing Every Screw Row and Lap

As a Bloomington metal roof coating contractor, we clean, prime, and seal commercial steel roofs, then coat them in place over warehouses, shops, and plants.

  • Roof Walk And Moisture Check First
  • Screws And Laps Sealed Before Coating
  • Coating Thickness Checked As We Go
Ready To Coat

Is Metal Roof Coating Right for Your Bloomington Building?

Bloomington metal roof coating works when the steel underneath is still solid. Match what you see on your roof to the column that describes it.

What You SeeReady To CoatFix Before CoatingPoints To Replacement
RustSurface rust and chalky paintRust scale at laps and screw rowsHoles you can see daylight through
ScrewsTight screws with worn washersBacked-out or stripped screwsPurlins too rotted to hold new screws
Seams And LapsClosed laps with dried sealantOpen laps along the eavePanels buckled out of line
InsulationDry under the panelsWet in a few marked spotsSoaked across most of the roof
Water FlowSheds within a day of rainLow spots near curbs or guttersSagging bays that hold water
PanelsSolid steel with full ribsA few panels rusted throughMany panels rusted through
Roof Conditions

Metal Roof Problems on Bloomington Commercial Buildings

These six conditions bring most building owners to us. Each card names what you see and what it means for the coating work.

Age

Backed-Out Screws

You See
Screw heads standing proud of the panel with cracked rubber washers.
What It Means
Each loose screw is an open hole in the roof. We replace or oversize them and seal every head before coating.
Moisture

Red Rust at Panel Laps

You See
Orange streaks running down from overlapping panel edges and end laps.
What It Means
Water sits in the lap and eats the steel from the edge in. Laps get cleaned to bare metal, primed, and sealed with reinforced mastic.
Freeze

Leaks After Snowmelt

You See
Drips inside along the eave wall a day or two after snow.
What It Means
Meltwater backs up behind ice at the gutter and pushes into laps. Sealing eave laps and closures shuts the most common winter entry point.
Storms

Chipped Paint After Hail

You See
Small dents and bright metal showing through the factory paint.
What It Means
Spring hail cracks old paint and leaves steel open to rust. A full-thickness coating covers those chips before rust spreads.
Sun

Chalking and Faded Panels

You See
A white powder that rubs off on your hand.
What It Means
The factory paint has broken down. Panels need a wash and the right primer so the new coating grips steel instead of chalk.
Equipment

Leaks Around Rooftop Units

You See
Water stains on ceiling tiles near the HVAC curbs.
What It Means
Curb flashings and pipe boots move with the unit and crack. We reflash them or reinforce them with fabric and coating.
Coating Systems

Commercial Metal Roof Coating Across Bloomington, IN

Five coating systems cover the metal, low-slope, and shingle roofs on Bloomington commercial property. Each card shows the order the work goes on.

Roofer spraying silicone coating on a low-slope commercial roof in Bloomington, IN

Silicone Roof Coating

Low-slope roofs that hold water after a storm suit silicone, which keeps its seal under standing water and holds up well in summer sun.

Order Of Work
  1. 1Clean Surface
  2. 2Prime If Needed
  3. 3Reinforce Seams
  4. 4Spray Silicone
See Silicone Roof Coating
Roofer rolling acrylic coating onto metal roof panels in Bloomington, IN

Acrylic Roof Coating

Sloped metal roofs that drain fast take water-based acrylic in two colored coats, applied on dry, mild days from spring through fall.

Order Of Work
  1. 1Wash Panels
  2. 2Prime Steel
  3. 3Base Coat
  4. 4Second Coat
See Acrylic Roof Coating
Roofer spraying foam onto a commercial roof from a spray rig in Bloomington, IN

Spray Foam Roofing

Spray foam builds one insulating layer over old metal or flat roofs, and a protective topcoat keeps sunlight off the foam.

Order Of Work
  1. 1Dry Substrate
  2. 2Spray Foam
  3. 3Measure Depth
  4. 4Topcoat
See Spray Foam Roofing
Roofer coating asphalt shingles on a commercial building in Bloomington, IN

Shingle Roof Coating

Office, clinic, and church buildings with asphalt shingle sections get a shingle-rated coating once loose tabs and flashings are fixed.

Order Of Work
  1. 1Clean Granules
  2. 2Fix Shingles
  3. 3Seal Flashings
  4. 4Coat Shingles
See Shingle Roof Coating

Water Showing Up on Ceiling Tiles?

A stain over the shop floor usually traces back to a screw row or a lap above it. Call us and tell us where the water shows up.

Call Us
How The Work Runs

How a Bloomington Metal Roof Coating Job Runs

One crew handles each step in order, so the building below keeps working while the roof is sealed.

  1. 1

    Inspect Your Roof

    We walk every panel run, test screws by hand, check laps and curbs, and take moisture readings over the insulation. You get a marked plan showing what gets repaired and what gets coated.

  2. 2

    Repair What Leaks

    Backed-out screws come out and larger ones with new washers go in. Rusted-through panels are swapped, and failed curb flashings are rebuilt before any cleaning starts.

  3. 3

    Wash And Prime

    Pressure washing strips dirt, chalk, and loose scale. Bare and rusted steel then gets a rust-inhibiting primer matched to the coating system on your building.

  4. 4

    Seal Seams And Fasteners

    Every lap, end lap, and screw head is covered with reinforced mastic or fabric and coating. These are the spots where metal roofs leak first.

  5. 5

    Apply The Coating

    Coats go on to the specified thickness across ribs and flats. A wet-film gauge is used as we work, and the finished roof is walked one more time with you.

Roofer walking a commercial metal roof with the building owner in Bloomington, IN
Coat Or Replace

Coat or Replace: Metal Roof Coating in Bloomington, Indiana

Coating keeps the roof you have and fixes its leak points. Replacement makes sense when the steel itself is failing.

What ChangesCoating The RoofReplacing The Roof
Tear-OffOld panels stay on the buildingPanels and screws removed and hauled away
Building UseWork happens above occupied spaceOpen bays below often get covered or cleared
Price RangeAbout $2.50 to $4 per sq ftAbout $5 to $8 per sq ft
Leak PointsScrews and laps sealed in one passNew screws and laps on new panels
Later UpkeepRecoat the surface as it wearsNew panels painted or coated later
Best MatchSolid steel with surface problemsSteel rusted through across the roof
Metal Roof Coating

Find Your Town

Outside the towns below? Please call us or send us a message. We coat commercial metal roofs in Bloomington, Bedford, Washington, Martinsville, Ellettsville, and Salem.

Owner Questions

Top Questions About Metal Roof Coating in Bloomington

Short answers first, then the detail, for the questions owners ask most on a roof walk.

Is roof coating worth it on a metal building in Bloomington?

When the steel is solid

It pays off when the panels and framing are solid and the leaks come from screws, laps, flashings, or worn paint. Coating seals those points while your business keeps running underneath. On a roof with panels rusted through in many places, or insulation soaked across most bays, the money goes further on new panels.

Can you coat a rusted metal roof on a Bloomington mill building?

Yes, after cleaning and priming

Surface rust is fine once it is treated. Mill and shop buildings tend to carry dust and heavy scale at the laps, so we wash hard, remove loose rust, prime bare steel, and swap any panel with holes. Seams and screws are sealed next, and the coating goes on last.

How long does a metal roof coating last in Bloomington?

Thickness and prep decide it

Coating life comes down to the chemistry, the thickness applied, how well the panels were cleaned and primed, and how fast water leaves the roof. Hail, heavy foot traffic around units, and skipped inspections shorten it. A recoat before the film wears through extends it without repeating the full preparation.

Metal roof coating vs replacement: which fits a Bloomington medical device plant?

Coating, if panels are solid

Plants with solid panels and leaks at screws, seams, and flashings fit coating, and the deck stays closed over production areas while the work goes on. Replacement fits when panels are perforated across the roof or the structure is failing. A moisture survey and panel check show which path your plant is on.

How much does a coated metal roof cost in Bloomington?

About $2.50 to $4 per sq ft

Our published coating range is about $2.50 to $4 per square foot, set after an inspection. Roof size, rust treatment, the number of screws and laps to seal, panels to swap, lift access, and the system chosen move the price within that range. Replacement runs about $5 to $8 per square foot.

When is the best time of year to coat a Bloomington roof?

Dry, mild days, spring to fall

Coatings need a dry surface and air warm enough to cure, so spring through fall is the working season. We plan around days with rain on the way and nights near freezing, which slow curing. Fall work also seals screw rows and laps before winter meltwater tests them.

Hire a Bloomington Metal Roof Coating Contractor

Tell us the roof size and what you see from the ground or inside. We inspect the roof and price the coating for your building.

Call (930) 271-9894