When are tensile or compressive strength tests important in selecting concrete epoxy coatings or resurfacers?

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Typical Uses

Compressive and tensile strength tests are mainly used for epoxy concrete floor coatings, typically for industrial flooring and even basement epoxy coatings, and are mostly referred to by architects and designers when they’re trying to pick out approved equals for specifications calling for epoxy concrete floor coatings, whether or not chemical resistance or decorative flooring is needed.

Using Test Results To Compare Coatings

These test results can also be used by an installer to explain the reason for choosing one epoxy floor coating system over another.

For example, a facility manager might want a three-coat thin mil, 100% solids epoxy concrete coating system for his industrial floor but you know he’s going to be in a situation where there’s going to be a lot of impact on that concrete floor.

So that’s where you can show him that the impact will transfer through the epoxy concrete floor coating.

Let’s say it’s a 9,000 or 10,000 PSI concrete epoxy coatings system, and then you take a look at an eighth inch quartz epoxy coating for concrete (also referred to as concrete epoxy paint or cement epoxy coatings) and it’s also a nine or 10,000 pound epoxy floor coatings system.

Assessing Impact Resistance On Substrate

But the issue there is transfer of the impact into the substrate.  If you drop a tool on the epoxy coating on concrete and the substrate underneath chips because it can’t transfer the impact laterally across the concrete epoxy coatings floor and absorb it, you will still end up with a concrete epoxy coatings failure at the end of the day.

Knowledge Behind the Numbers

A quality installer should also have some knowledge behind the test result numbers because you can make the numbers really say whatever you want them to say. Sometimes a higher number is not good; sometimes a lower number is not good.

Knowing Your Environment Is Key

You really have to know the environment that you’re working in and then find a quality coating systems product that has a blend of answers that fit your situation.  Do you have a basement floor that just needs a concrete stain?  Does it need to be non skid?

Epoxy coatings for concrete floors are great concrete coatings choices but knowing what the test numbers mean will also help prevent removing epoxy paint form concrete if the wrong concrete epoxy industrial flooring is selected as the final epoxy floor.

Test Results Can Lead to Alternative Resin System Choices

When installers work with architects and designers on a job, they should always refer to those test results because they impact the overall package of the resin coating systems.

For instance, in certain environments you can show where the compressive strength test results point to concrete urethane coatings as being tougher than epoxy coatings for concrete; that they’re malleable, they’ll bend, but they won’t shatter.

As they age, they don’t get increasingly harder and harder and harder. Epoxy floor coating systems, in general, as they age, get harder and harder and harder.

So that’s where all of those numbers, theoretically, kind of go out the window. It’s the blend of everything together and the type of resin and what’s in it that makes it the best concrete solutions choice for any type of concrete epoxy floor coatings.

Related Article – How to measure slip resistance when painting concrete floor surfaces