Metallic floors wear where people walk. The gloss goes flat in a path from the door, the clear coat picks up a haze of fine scratches, and swirls that looked deep under the lights start to look dusty. Plenty of those floors come back with a recoat. Some do not, and the job goes better when a Lodi installer knows which is which before quoting the work. A photo of the worst traffic lane is a good way to start that conversation with us.
Judge the wear before you promise a recoat
Look at the floor in raking light and sort what you see by depth. Wear that sits only in the clear topcoat shows as dull traffic lanes and fine scratches, with the metallic pattern underneath still crisp and even in color. That floor is a strong recoat candidate.
Wear that reaches the metallic layer looks different. The color in the lane is lighter or patchy, the swirls are blurred, or bare base color shows through. A clear recoat locks that damage under new gloss, where it stays visible.
Run a hand across the worst areas and feel for chips, peeling edges and soft spots. Tap along the floor with the handle of a screwdriver and listen for hollow sounds, which can mean the coating has let go of the slab. Note stains, discoloration near the door, and yellowing where sun reaches the floor.
Photograph all of it before the property owner hears a plan. The photos help you spec the right product, and they show the owner why the answer is what it is when the answer is not the one they hoped for.
Scuff sand and clean so the new coat can grab
A recoat bonds mechanically to a cured floor, so the old surface needs an even scratch across all of it. Glossy spots left untouched are where a new coat peels later.
Clean first. Degrease the whole floor, with extra attention near the door and anywhere equipment has sat, because sanding over oil drives it down into the fresh scratches. Rinse and let the floor dry completely.
Then scuff. A floor buffer or a planetary machine with fine abrasive pads takes the gloss off evenly across a large room, and a hand sander handles edges and corners. You are after a dull, even haze with no shiny spots. Go easy over the metallic layer, especially where it is already thin, since sanding through it leaves a patch no clear coat will hide.
Vacuum thoroughly, then wipe the floor down with whatever the data sheet specifies, using clean rags turned often. Dust left in the scratches turns into grit in the new gloss. Keep foot traffic off the prepped floor, and coat it as soon as the prep and the room conditions allow.
Run an adhesion test before the full floor
A recoat that peels takes the property owner’s trust with it, and the test that heads it off takes a small kit and a little patience.
Pick an out of the way spot that saw real wear, such as a corner near the door or the edge of a traffic lane behind furniture. Prep it exactly the way you plan to prep the whole floor, then roll a small patch of the intended topcoat. Let it cure as far as the data sheet describes.
Now test it. Cut a small crosshatch through the new coat with a utility knife. Press strong tape over the grid, then pull it off fast and look at what came up. A clean grid means the coat bonded. Flakes of new coat on the tape mean the prep or the product needs another look. If old coating comes up too, the problem sits below the layer you are working on.
Some old floors carry waxes, maintenance coats or silicone residue from cleaners that block adhesion even after sanding. A patch test is how you learn that on a square of floor, before the whole room is involved.
Clear recoat or a new metallic layer
When the wear sits in the clear coat and the pattern below is intact, a clear recoat is the simpler job: scuff, clean, test, and roll a new topcoat. A polyaspartic or urethane clear often brings better scratch and UV resistance than an older epoxy clear, which matters in a sunny room or a busy hallway. The polyaspartic coatings are one option for that top layer, and the bench can check whether one suits the existing system.
When the metallic layer itself has worn through in lanes, no clear coat brings the color back. The choice then is a new metallic layer over the prepped floor, followed by a fresh topcoat. That is closer to a new install than a maintenance visit. The new pattern will not match the old swirls, so plan the whole floor, since a patched lane stands out on a metallic floor more than on almost any other system.
The metallic flooring systems we ship to Lodi can be spec’d with a base color close to the original, and the owner should see a sample board before anything is poured.
Damage a recoat cannot fix
Some floors look worn and are actually failing, and a recoat over a failure only delays the problem while adding to it.
Peeling or delamination, where the coating lifts off the slab in sheets, means the bond to the concrete is gone. Moisture coming up through the slab, weak original prep and contamination are the usual causes. Coating over it adds another layer to one that is already coming loose.
Blisters that keep returning, soft or tacky spots, and hollow areas all point below the surface. So do cracks that run through the coating into the slab, since a slab crack that still moves will crack a new coat as well.
In those cases the honest answer is removing the failed areas or the whole system, grinding back to sound concrete, testing for moisture, and building a new floor from the primer up.
Tell the owner early. A recoat sold over a failing floor becomes the installer’s problem the day it peels, and the photos from the first walk make that conversation much easier to have.
Common recoat questions
How do I know if a metallic floor just needs a clear recoat?
Look at it in raking light. If the dull lanes and scratches sit in the clear coat while the metallic pattern below is still crisp and even, a scuff, a clean and a new topcoat will usually bring it back. If the color in the traffic lanes is faded, blurred or worn down to the base, the metallic layer itself needs redoing.
Can a new metallic layer go over an old metallic floor?
Often, if the old coating is well bonded and passes an adhesion test after scuffing and cleaning. The new layer will not match the original swirls, so plan to cover the whole floor instead of one worn lane. Show the property owner a sample board with the new base color and pigment before anything is mixed.
What kind of damage means the floor has to come up?
Peeling, delamination, blisters that keep coming back, soft spots and areas that sound hollow when tapped. Those point to a failed bond or moisture under the coating, and a recoat will not hold over them. The fix is removing the failed coating, grinding to sound concrete, testing moisture and building a new system from the primer.
A worn metallic floor is often the easiest resin job to win back, as long as the wear stays in the top layer. Send photos of the traffic lanes through our contact page before you quote the job, or talk to the owner at (209) 208-4656 about which topcoat fits.