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Sealers are applied to concrete surfaces to protect them from the elements and extend their useful lifespans. There are two main types of sealers: film-forming varieties that enhance the surface with color and sheen, and penetrating sealers that go into the concrete’s pores and seemingly disappear.
It is widely known that the decorative concrete industry has struggled with tape issues for decades. These range from the tape tearing when overlays are being applied, or stain bleeding under the tape, to adhesive effectiveness when the tape gets wet.
One of the most common questions I get asked is, “What is the best sealer?” My answer to this is, “It depends.” While this may seem like I’m dodging the question, it really gets to the heart of the issue. Selecting a finish solely based on how good it is said to be can often lead to undesirable results.
Watch out for water, especially in climates where you get cold winters. Water is by far the biggest challenge you will face as a decorative concrete professional. Words like “spalling,” “flaking,” “pitting” or “chipping” are not what people making a living in concrete want to hear. and rarely do these words mean a satisfied customer a profitable month.
Using grit additives has become the most common method for reducing slipperiness when sealing decorative concrete flatwork on exterior walking surfaces. The grit additives are mixed into the sealer, then the gritty sealer is applied to the concrete. However, in this situation the weather was too cold to reseal the concrete. So another method needs to be used until springtime arrives and temperatures rise.
The steps you take with your wet-cast or GFRC countertops prior to sealing them will affect sealer success more than the actual application of the sealer. It’s important to gain an understanding of what your concrete is doing, or more importantly, what you are doing with your concrete.
There are more choices and considerations with concrete topical sealers than there are with penetrating sealer treatments, and I believe it’s because of this that so many people are confused, frustrated and bewildered. Let me clear up concrete countertop coating confusion
Few things can compare to freshly sealed concrete. Hues of hidden color explode the minute a coat of fresh sealer makes contact with the concrete’s surface. Customers smile with satisfaction and concrete artisans swell with pride.
Columnist, Chris Sullivan answers a question about sealers that initially had him stumped. This article works through some answers if this problem ever arrives on your doorstep.
If you have done any research on concrete, you have probably noticed that experts recommend using outdoor concrete sealers.
Setting the bar properly for your clients on the onset ensures happier customers in the long run.
