Garage Floor Coating in Bend, OR

Garage floor coating is the floor job Bend homeowners search for most, ahead of epoxy flooring itself. A Bend garage rarely holds just a car. It holds a ski rack, a bike stand, a chest freezer, a workbench and maybe a camper van. In winter the car brings in slush laced with magnesium chloride, which the City of Bend spreads before icy weather. In summer the door stays open and sun lands on the first few feet of slab. A coating turns that porous gray surface into a sealed floor you can squeegee, rinse and roll a creeper across.

What deicer does to bare concrete

Magnesium chloride is the main deicer on Bend streets. The city calls it less corrosive than salt, which is true for car bodies. Concrete is a different story. A 2008 study by Michigan Tech researchers for the South Dakota Department of Transportation found that magnesium chloride and calcium chloride react with hardened cement paste and form expansive compounds. The results were cracking, higher permeability and a significant loss of compressive strength. In a garage, that shows up as a dusty, soft surface under the tires, flaking near the door, and white residue where puddles dried. A sealed coating keeps the brine from soaking in.

Freezing nights and big daily swings

Wikipedia's climate data for Bend shows an average freezing season running from mid-September into mid-June, with daily temperature swings approaching 35 degrees. The slab at the garage door goes through more of those cycles than anywhere else in the house. Thin store-bought coatings tend to lift first in that zone and along the tire paths. A coating that is bonded into ground concrete and built to a proper thickness holds up much better.

Signs your garage floor is ready for a coating

• Dust that keeps coming back after you sweep
• Flaking or pitting near the door or under the tires
• White rings or crust where meltwater dried
• Oil, coolant or transmission fluid stains that have soaked in
• A kit coating or paint that is peeling in the tire paths
• Hairline cracks or chipped control joints

Prep is most of the job

Many Bend homes were built in the 2000s and 2010s. Their garage slabs are usually flat, but builders often leave a cure-and-seal product on the surface. A coating rolled over that layer is only as strong as the sealer underneath it. We diamond grind the full floor, edges included, to remove sealers and weak surface concrete. Then we vacuum, fill cracks and pits, and degrease oil spots. If an older coating is on the floor, it gets ground off first. Acid etching, which most kits rely on, does not remove sealers. That is why kit floors so often peel.

Picking a finish

• Full flake broadcast: chips cover the base coat completely, which hides the gray grit tracked in from cinder-and-rock roads. The texture adds grip on wet days.
• Partial flake or solid color: a cleaner look with an anti-slip additive in the topcoat.
• Polyaspartic topcoat: HomeGuide rates its UV resistance as excellent compared with epoxy's poor to fair, so it holds color where sun reaches the floor.

We bring chip samples to the estimate so you can see them in your own garage light.

Living with the floor

Park a containment mat under each car in winter if you like, or squeegee meltwater toward the door after storms. Rinse the floor a few times through the season so brine does not sit on the topcoat. Use a plastic shovel blade, not steel, on the coated surface. Put pads under jack stands and the feet of heavy tool chests.