Polyurethane Over Epoxy Floor Scratches

They definitely supplement an efficient durable and long lasting floor coating system by providing build thickness however in most cases the best results come from an epoxy floor with a thin film polyurethane often referred to as a urethane topcoat.
Polyurethane over epoxy floor scratches. Two coats of ace hardware polyurethane floor enamel over clear sanded west 105 205 and 6 oz. Thus the desire for a uv stable water based polyurethane over the epoxy. This will hide blend the existing scratches and give the new coat of poly something to physically bond to. Best epoxy gloss coat i ve found.
If you want unquestionable insurance against yellowing you also have the option of using highlighted polyurethane as a color coat prior to applying a clear coat. Additionally once the protective finish has been broken by a scratch the wood underneath can be irreparably damaged by moisture or deepening of the scratch in the wood. This doesn t mean that it s more expensive over time however in fact epoxy needs renewing far more often and polyurethane is better value for money over long time periods but the setup cost is much higher and this can be a real problem on big projects. Place a quarter sized dollop of furniture polish in the center of a lint free cloth.
Epoxy resins are also sensitive to moisture but the damage done by humidity will be far more limited. Yes i use a 2pak polyurethane by u pol s2086ev with great success. Epoxy floors are resilient impact resistant somewhat flexible and hard. The polyurethane will also keep the epoxy from yellowing and give the floor a long lasting surface that has an exceptional degree of scratch resistance.
And 2 if sanding is required between coats. If an uncured pu floor is attacked by water or condensation you may get this catastrophic results like in the picture below. Great clarity resistance to abrasion and can be polished to a supper shine doesn t quite have the depth of a poly gloss coat but is as close as you are likerly to come. Use small circles to distribute the polish evenly across the scratches lightly abrading the surface with the polish until the scratches fade into the rest of the epoxy covering.
You commonly see these on floors or tabletops with heavy use. However i looked about on the internet this evening and located a product ex 74 that may be uv stable. From an applicators point of view polyurethane floor resins are extremely sensitive to the presence of humidity. I ve emailed the manufacturer tap plastics to determine 1 if the product is uv stable.
Any wood surface with a polyurethane wood finish can develop scratches with normal wear and tear.