6 So if you work in any kind of garage or shop that is not a barn, there is likely a lot of concrete. The best way to take care of concrete is to clean and seal it periodically. Read more to see how I sealed mine. DIY – How to Seal Garage FloorMarch 16, 2018 in FABRICATION KNOWLEDGE / MISCELLANEOUS / TOOLS OF THE TRADE! tagged Concrete / DIY / EasySeal / Epoxy / Garage Floor / GhostShield / Natural Look / Polyurea / Sealer / Silane / Siloxane by Paul