Epoxy Garage Floor Coatings in Thunder Bay, ON

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In a heated garage, yes. In an unheated one, no, and nobody honest will tell you otherwise. Coatings need the slab above the product's minimum temperature and at least 3 C above the dew point for the entire cure, and if it drops below mid-cure the curing can stop and never restart. A slab also takes days to warm through, so heating the air for a morning does not do it. Basements are different: they are heated space already, which makes them a good winter job.

It is priced by the square foot, and the spread between quotes is wider than most people expect. Preparation and film thickness account for most of it. Your number moves on floor area, crack and spall repair, whether an old coating has to be removed, whether the moisture reading calls for a mitigation primer, and the system you pick. Send photos and dimensions for a range and we will confirm it after seeing the slab.

It depends entirely on the chemistry, which is why we give you dates rather than a rule. Epoxy systems generally want a week before vehicles. Polyaspartic can be ready for wheeled traffic in about a day. Cold slows both down considerably. Traffic cure and chemical cure are different: a floor can hold a car days before it will shrug off a brake fluid or de-icer spill, so keep the garage tidy that first week.

Almost always preparation or moisture. Coating grips a profile ground into the concrete, so over a smooth or sealed slab it is only sitting there. Moisture is the other one: vapour moving up through the slab builds pressure under an impermeable film and lifts it, which is what blisters are. Both are avoidable and both are invisible once the floor is coated, which is why they keep happening.

It is when the coating lifts in the shape of your tire. Tires heat up on a drive and stay hot parked, which softens a coating with low heat tolerance, and as the tread cools it contracts and grabs. Tire rubber also carries plasticizers and waxes that migrate to the surface with heat and interfere with adhesion. Thin single-coat kits are the vulnerable ones. Proper grinding, a penetrating primer, decent film thickness, and a polyaspartic or polyurea topcoat are what prevent it.

The coating handles salt far better than bare concrete does, which is a large part of why people coat a garage floor in this climate in the first place. Your car drips brine all winter and a coated floor keeps it off the concrete. Rinse the floor down in spring and it will look after itself.

Often yes. Pitting and spalling from years of salt is surface damage, and repairing it is a normal part of the prep. What cannot be coated over is a slab that has structurally failed, is actively moving, or has water coming up through it faster than a mitigation system can handle. We would rather tell you the floor needs replacing than take money for a coating that will fail on top of it.

Twenty-eight days minimum, and that is when we can start testing rather than when it is ready. Fresh concrete carries a lot of water and it has to leave before a film goes over it. In a cool damp autumn a slab can need considerably longer, and a September pour may not be coatable until the following year. We test rather than counting days on a calendar.

A DIY kit is typically a single water-based coat around 3 mils thick applied over an etched surface. A professional system is four or five layers running roughly 8 to 16 mils over a mechanically ground slab. That is four to six times the thickness and a different bond. Polyaspartic is a different chemistry: it cures much faster, tolerates colder application, and resists UV yellowing better, which is why it usually appears as the topcoat over an epoxy base.