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Industrial Flooring Q & A

Stanley W. of Detroit, MI writes:

Your epoxy flooring literature uses the term “mils” a lot.  I read on the internet that a “mil” is short for “millimeter”.  But a painter friend of mine said he thinks it’s something different.   Can you please explain the term?

Great question, Stanley!  Actually, your painter friend is correct.  As you know, a millimeter (mm) is 1/1000th of a metric meter.  However, in the paint & coatings world, the term “mil” is an English unit, meaning 1/1000th of an inch.

For example, a typical epoxy floor coating might have a thickness of 20 mils.  That means the concrete floor paint is 20/1000 inches thick, or when converted to metric units, 0.508 millimeters (mm) thick.  From this, it’s easy to see that “20 mils” is NOT equal to “20 millimeters”!

For a handy conversion chart, see “Tips & Tools” on the Florock Facebook Page: http://www.facebook.com/florock?v=app_7146470109&ref=sgm

Bob R. of Richmond Beach, VA writes:

When adding sand to 100% solids epoxy to create a heavy duty mortar, my previous employer taught me to figure “1+1=1.6”.  In other words, 1 gallon of sand, added to 1 gallon of blended epoxy, yields 1.6 gallons of blended mortar mix.  My new boss uses FloroBuild resin and your special aggregate blend. The old math doesn’t seem to work anymore, but the product goes down like a dream.  Can the sand really make that much of a difference?

Thanks for asking, Bob. The answer is yes!  The different grades of aggregate and the way they fit together in a tight matrix make a great deal of difference – both in the ease of installation and in the performance of the system.  Of course, a quality floor epoxy like FloroBuild, designed especially for concrete resurfacing with a power trowel, is certainly part of the equation.

Be sure to call us if you have additional questions at 1-800-FLOROCK (356-7625).  We’re happy to help! http://www.florock.net/industrial-concrete-flooring-systems

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