Expansion joints are necessary for concrete floors and walls to allow the concrete to expand and contract without cracking. Both sealers and fillers should only be installed after the slab has had a chance to shrink as much as possible. Fillers are only effective if installed after the concrete has gone through most of its shrinkage, although that can take a year or more. Fillers and sealers should be checked at the end of the first year of service and repaired or replaced as needed.
Effective sealant materials must bond to the concrete, be impermeable, and be able to handle the expansion and contraction.
Call A Mason Painting Company Joint expansion expert to advise you on the best strategy for your concrete joint expansion sealant or filler!