Garage Floor Epoxy in Green Bay, WI

Garage floor epoxy is the coating most Green Bay homeowners ask us about, and the reason shows up every November. With about 55.6 inches of snow a year, local roads stay salted for months. Each time you pull in, slush drips off the wheel wells, melts, and soaks into bare concrete. A coated garage floor seals the slab so the brine sits on top where a squeegee can move it.

How bare concrete breaks down

Concrete has tiny pores. Salty water works into them, and when the garage swings above and below freezing, that water freezes, expands and thaws again. Over a few winters the top layer weakens and flakes off. The worst damage usually sits in the first few feet inside the door and under the tires, where meltwater collects and the temperature changes most. Oil and antifreeze drips add stains that soak in and keep a coating from bonding later.

Signs your floor is ready for a coating

• Flaking or scaling near the door or along the tire paths
• White crust or rings where puddles have dried
• Oil spots that never fully come out
• Dust that comes back days after sweeping
• A store-kit coating peeling where hot tires sit
• Cracks, broken control joints or a low spot that holds water

Prep is the job

Most DIY kits rely on acid etching. Etching cleans the surface but leaves weak, salt-damaged concrete and old sealers in place, and hot tires can then pull a thin film right off. We diamond grind the full slab, including the edges along the walls, then vacuum the dust. Cracks and spalls get filled, oil spots get degreased, and any old paint or kit coating comes off first. Only then does the base coat go down.

A slab from 1955 versus one from 2005

Green Bay's median home was built in 1971, per ACS figures summarized by Point2Homes, and more than a third of homes predate 1960. Older garages, often detached, tend to have thinner concrete, more cracks and floors that slope or hold water. Newer attached garages, common in fast-growing places like Suamico and Lawrence, are usually flatter but still take a full salt season every year. We look at what you have and plan the grind, repairs and system around it.

The finish

Most garage floors here get a flake broadcast, which hides salt residue between cleanings and adds grip. A solid color with an anti-slip additive works if you want a cleaner look. Either way, a clear polyaspartic or urethane topcoat goes on last for scratch and chemical resistance. We bring samples so you can see them in your own garage light.

Living with it through the winter

A coating makes winter cleanup much easier. It still needs some care. Squeegee meltwater out the door, rinse the floor every few weeks during salt season, and put a containment mat under each vehicle if you like. Use a plastic shovel edge on the coated surface, not steel.