Weather conditions also impact the success of the overlay. What is the Best Weather to Install a Concrete Overlay? If the slab sounds solid and it is difficult to do further damage to the slab with moderate hammer blows, the existing concrete is probably a superb candidate for an overlay. Tap the damaged areas moderately with a hammer. Be sure that the exposed parts of the slab are not crumbling. You must determine that the existing slab is sound. The secret to success is a combination of ingredients. Cement or concrete overlay thicknesses can range from 1/4 inch thick up to a full 2 inches or more. The overlay material can be a simple mixture of sand and cement or it can actually be a real concrete mixture that includes small pieces of stone or even large stones depending upon the thickness of the overlay. Residential contractors and large-scale commercial concrete contractors can install a thin overlay on concrete slabs that have damaged surfaces. There are many things that could have gone wrong that most likely caused the concrete wear surface to fail, but the good news is that there is a repair method that will yield long-lasting and beautiful results.Ĭan a Thin Overlay Be Applied to Concrete? Extra water could have been added to the entire mix when the truck arrived at the job site. The most common reason for concrete spall is water was sprinkled on the concrete during the finishing process. Copyright 2018 Tim CarterĭEAR BETTY: What a shame! Exterior concrete that is ordered, mixed, installed, finished and cured properly can withstand many, many years of exposure to road salt and freeze and thaw cycles that occur during cold winter months.ĬLICK HERE to get FREE & FAST BIDS from local concrete resurfacing contractors. I talk to Vic about how he can do a concrete overlay to SAVE thousands of $$$. More Concrete Restoration Professional TipsĬLICK this image and listen to the first call on the podcast. Wayne, INĬoncrete Resurfacing Tips & Tricks - DO NOT SHARE! Is it possible to patch the concrete with some mixture that will last for a long period of time? If so, how is the task completed? Is this a task that the average person can tackle? Betty G., Ft. The contractor I used blames road salt for the damage. For some reason, the top 1/8 to 1/4 inch of the finish surface has peeled up in patches.
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