Cement Urethane Installation on Bare Concrete Floors in Walk-In Cooler

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What’s happening in this video…Bare concrete floors in extremely cold and sub-freezing environments need protection from thermal cycling.

The concrete floor surface will deteriorate over time unless it is protected with a resurfacer that can handle this type of environment.

Urethane cement mortar [Garon’s Mortarthane™ HF] is the product of choice for this freezer floor application.

Once the troweled coating is cured, the freezer is back in business and more importantly, the concrete floor will be protected and provide an easy to clean and maintainable surface.

Frequently asked questions about floor coatings for bare concrete in cold areas…

After watching several urethane cement videos on coating bare concrete walk in cooler floors and elsewhere, I notice that no primer has been applied before trowel down applications of urethane cement. Please explain.

You notice no primer is being applied because urethane cement systems don’t use primers. They don’t need a primer. This is an outstanding feature of cement urethane technology. These products have great flow characteristics, great penetration and a tenacious bond to concrete.

But primers are not needed generally speaking, with urethane cement trowel applied systems, because of the flow characteristics and the tenacious bond that they provide the installer.

With urethane cements, a primer is not needed because the urethane system is cement based. It’s part of the same cement family as is concrete so there is a degree of compatibility between them.

They possess very similar movement characteristics during expansion and contraction so they tend to move with each other. For this reason, a primer is not usually necessary.

Epoxy mortar applications need a primer 

Epoxy mortars need a primer applied first. Some installers do not apply a primer but it’s always prudent to apply a primer to creating a better bond for the epoxy coating system being applied. Epoxy coatings do not have the elasticity of urethane cements and tend to be brittle by nature.

Therefore, when concrete slabs move, the epoxy mortars do not move with the slab so a primer would insure a better bond when movement occurs. Traditionally, primers are applied first and then the epoxy mortar is trowel applied into the primer while it is still wet or soon thereafter.

concrete floors

Related videos – You may also be interested in:

Applying a cove to a freezer floor to withstand constant below freezing temperatures
A cold climate controlled meat processing room during low temperature floor coatings and repair installation.
See a floor coating application job on a meat processing plant’s freezer room floor.
walk-in freezer floor
Watch this complete floor resurfacing installation on this walk-in freezer floor.

See more videos about floor coatings for concrete floors.