Walk through a real epoxy garage floor installation in Calgary. From surface prep to topcoat, here's exactly what happens when our crew installs your floor.
Before we even unload the grinder, we need your garage empty. We mean empty - vehicles out, tools and shelving moved aside, everything off the concrete. Leaving stuff behind slows us down and creates masking problems. We also clear any loose debris and sweep thoroughly. Temperature matters more than most people think. Epoxy doesn't cure right in cold conditions. We check your garage temp and wait for ideal conditions - not too cold, not too hot, with stable humidity. Calgary's winters and chinooks mess with concrete moisture and temperature swings, so we time installations during stable weather windows.
This is the most critical step and honestly the one that separates quality floors from mediocre ones. We use diamond grinding to open up the concrete surface, remove existing coatings, and create the profile epoxy needs to bond. A coarse grind lifts the concrete, removes sealers and failed paint, and exposes the aggregate. We're not just making dust - we're preparing the substrate so the epoxy actually sticks.
Moisture is epoxy's enemy. Calgary sits on clay soils with high moisture vapor transmission rates - your concrete naturally pulls moisture up from below. We apply a moisture vapor barrier and primer system designed for this. The primer seals the freshly ground concrete and the barrier prevents water vapor from pushing up under the coating later.
Now it gets visible. We roll on the base coat - this is where color comes in. A solid epoxy base coat gives you depth and covers any concrete blotches. We apply it with a roller, working in sections so we maintain a wet edge. The goal is even coverage without puddles or thin spots.
The topcoat is the protective layer - it's clear (usually) and provides UV protection, stain resistance, and durability. A polyaspartic topcoat gives faster surface hardness than epoxy, so we often use that on the final coat. It's tougher and yellows less over time. We apply it the same way as the base coat, rolling it on evenly.
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