Roofer preparing metal panel seams and priming rust before coating in Greenwood, IN

Greenwood Commercial Metal Roof Coating Contractor

Capping Every Screw Head and Stitching Every End Lap

As a Greenwood commercial metal roof coating contractor, we restore exposed-fastener and standing-seam steel roofs on plants, warehouses, and retail centers without tearing them off.

  • Every screw checked and capped
  • End laps stitched and taped
  • Rust primed down to firm steel
  • Wet mils measured while spraying

Is This Roof a Fit for Greenwood Commercial Metal Roof Coating?

Greenwood commercial metal roof coating works on steel that still holds its shape. Check your roof against each row.

Roof DetailReady To CoatFix First
PanelsFirm underfoot, surface rust onlyRust holes or bent ribs get new panels
ScrewsSnug heads with intact washersBacked-out or stripped screws get upsized
LapsTight overlaps with light stainingGapped laps get stitch screws and tape
InsulationDry under the panelsWet batts get cut out and replaced
CurbsOne sealant layer in fair shapeStacked old caulk gets cut back
GuttersSeams tight and straps holdingSplit seams and loose straps get reset

Commercial Metal Roof Coating Checks on Greenwood Plant Roofs

A plant or warehouse roof gets the same five-zone walk before anything is sprayed.

Edge And Gutters

Bottom panel ends sit in gutter water and rust from the cut edge back. We grind those ends, prime them, and reset loose gutter straps so water leaves the roof.

Field And Laps

Side laps on long runs creep open with every hot afternoon. Stitch screws every foot or so pull them tight, and butyl tape covers the joint before fabric goes in.

Fasteners

Washers crack and screws work loose along each purlin line. Loose ones get driven down, stripped holes get a larger screw, and every head is capped with sealant.

Curbs And Penetrations

Exhaust fans over production lines leave residue that keeps coatings from bonding. Curbs are degreased, old caulk is cut away, and a fabric detail wraps each corner.

Drains And Low Spots

Lower roof sections next to taller bays catch extra runoff. Rust rings mark where water sits, and those areas get silicone instead of acrylic.

Commercial Roof Coating Options for Greenwood

Each system has a place on Greenwood commercial roofs. Here is where each one fits.

Benefits of Coating Your Roof

Coating a steel roof does four practical things for the building below it.

Closed Joints

Screw heads, laps, and curb corners sit under one continuous film after they are sealed, so wind-driven rain has no open joint to find.

Slower Rust

Primer and coating keep water and air off bare steel at the laps and eaves, the two places corrosion spreads fastest on older panels.

Less Heat Inside

A white finish bounces July sun off panels that would otherwise bake, which helps warehouses and plant floors under uninsulated steel.

Work Keeps Going

Nothing comes off the roof, so lines, racks, and stores below keep running while the crew works section by section overhead.

Screws Dripping Over the Production Floor?

Call and describe where the drips land. We will trace them to the screw rows above and price the repair.

Commercial Metal Roof Coating Sequence for Greenwood Warehouses

The same four stages run on every steel roof, in this order.

1

Inspect Your Roof

We walk the panels, probe rust at eaves and laps, and pull-test screw rows on each section. A core at any soft spot tells us if the insulation is wet.

  • Rust probed with a pick
  • Insulation checked at soft spots
2

Seal Fasteners Before Coating

Fastener sealing before coating is the step that decides how long the roof lasts. Loose screws are driven, stripped ones upsized, and each head capped.

  • Upsized screws in stripped holes
  • Sealant cap on every head
3

Clean Laps And Prime Rust

Pressure washing removes chalk and grime from the panels. Rust is brushed to firm steel and primed, and laps get tape and fabric.

  • Rust primer on bare steel
  • Butyl tape over open laps
4

Apply The Base And Top Coats

Base coat goes over the sealed details first, then the field, then the top coat at the planned thickness. A gauge checks each pass.

  • Mil readings recorded
  • Owner walks the roof at the end

Other Systems Beside Commercial Metal Roof Coating in Greenwood

Some roofs need a second system on part of the building.

Roofer spraying foam onto a commercial roof from a spray rig in Greenwood, IN

Spray Foam Roofing

Buildings that run hot or cold can add insulation with foam over the steel.

Greenwood Commercial Metal Roof Coating Questions

Jump to a question below.

What does commercial metal roof restoration involve on a retail center?

It returns an aging steel roof to a watertight state while the stores stay open. Panels are washed, rust is treated, stripped screws are replaced, seams and curbs get reinforced mastic, and primer and the finish coat go on last.

What coating is best for a metal roof on a warehouse?

Slope, drainage, and rust decide it. Silicone handles standing water and sun well on low-slope steel. Acrylic suits pitched roofs that drain fast and costs less per gallon. Rusty panels need a rust-inhibiting primer under either product.

What is the longest-lasting coating for a metal roof?

High-solids silicone sprayed at a thick dry film is often the longest-lived choice on low-slope steel because sunlight and puddles do little to it. Thickness matters more than brand, so we read wet mils on every pass.

Why is fastener sealing before coating so important?

Most steel roofs leak at the screws first. Temperature swings back screws out and wear out the washers, so each loose screw is driven or replaced and capped before the coating bridges over it.

How do freeze-thaw cycles affect a coated steel roof?

Indiana winters cross the freezing mark again and again, and panels move each time. Meltwater that refreezes in a lap pushes it wider. A coating that stretches with the steel, laid over sealed laps and screws, holds up to that movement.

Can a standing-seam roof be coated, or only exposed-fastener panels?

Both coat well. Standing-seam roofs leak less at fasteners and more at seam ends, clips, and penetrations, so prep there focuses on end laps, curb flashing, and any seams that have lifted. Exposed-fastener roofs need every screw checked.

Do you remove rooftop equipment before coating?

Units stay in place in most cases. We cut out old caulk around each curb, wrap the curb with fabric and mastic, and coat up the sides, so the detail ties into the roof system around it.

How often should a coated steel roof be walked?

Once a year and after any hail storm. A walk catches a cut from foot traffic, a clogged gutter, or a worn spot near a fan before water gets under the film, and small touch-ups keep the coating in good shape.

Hire a Greenwood Commercial Metal Roof Coating Contractor

Tell us the roof area and the building use, and we will walk it and price the full coating system.

Call (463) 288-8774