Hello everyone we have a problem with the decking peeling of on the area above the water line and leaving exposed concrete. I am unsure what to use to repair this. We have pealed off most of the loose coating. It is only in a few area's..My husband purchased something called EZ Patch plaster repair is this the correct product? Or do we want an Epoxy or Rubber paint like Smart Seal... Is it as easy as just washing with a little muriatic acid and then applying product? Thanks in advance.. Gina