That is just the reality when it comes to pouring a large and rigid surface over ground that experiences movement during freeze-thaw cycles. One thing we know is that concrete is going to crack. Additionally, we need to inspect the area for cracks in the surface of the concrete and whether or not these are worrisome. We need to use an 8 foot level to be able to see whether or not there are any major inconsistencies in the concrete. This information should not be used exclusively. This helps us to make our judgement call on whether or not that concrete slab is up to our standard. We like to ask our potential clients questions like how long the concrete has been there and whether they have they had any issues with it before we start looking it over. Any other epoxy, stains, or grease along the outside portion where the pavers or caps will be glued to should be grinded or cleaned to ensure proper adhesion. However, there are products on the market that allow you to address any inconsistencies in the concrete slab like crack repairs. Overlaying concrete that is questionable will come back to bite you. Any imperfections, cracks, separations of +/-⅜” over 10 feet in the concrete slab may mean that the slab is likely to move and the base of the concrete slab was not properly prepared. This means ensuring that there is a proper slope away from the foundation to allow water that enters the system to move away from the house. When starting an overlay project, we need to make a judgement call on whether or not the concrete slab is structurally sound. When deciding whether or not to overlay concrete using these pavers, there are several steps that we need to consider in order to provide our clients with the best possible solution and end product that will last for them. ![]() These are also typically less costly than their alternatives, adding to the cost effectiveness of a concrete overlay using these pavers. ![]() ![]() Overlay pavers are typically thinner than other pavers for pedestrian and especially vehicular traffic. Paver Overlay: Paver Installation Over Concrete
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