How can you calculate the coverage for epoxy coatings or flooring?

Answer 1

Calculating the coverage for an epoxy coating is simple: There are two measurements that you have to take into consideration:

1. The area that you'll be covering.
2. The volume (amount) of liquid epoxy you have or that you'll need to cover to the given area at the desired thickness.

In the U.S., the thickness of an epoxy coating is usually measured in mils (one mil is 1 one-thousandth of an inch; 250 mils is a quarter of an inch). A simple but helpful calculation that enters into the equation is this:

• One U.S. gallon of any liquid (epoxy in this case), when applied at an even thickness of one mil, will cover 1,604 square feet.

So, 1,604 S.F. becomes your control number. If you apply the epoxy coating at a rate of 200 S.F. per gallon then by dividing 1,604 by 200 you'll know that you've applied the epoxy at a thickness of 8 wet mils. If the epoxy is a 100% solids material then once the coating has cured, you'll also have a drythickness of 8 mils. If the epoxy has a solids content of less than 100%, then you simply multiply the wet mil thickness by the solids content you'll know the final dry mil thickness.

Because many different types of epoxy coatings and formulations exist, you should always consult and follow the manufacture's guidelines for the proper coverage rates in order to achieve the best results.