Spalling of concrete Post date Home › Forums › Materials, Trades › Concrete › Spalling of concrete This topic has 0 replies, 1 voice, and was last updated 5 years, 3 months ago by atuter. Viewing 1 post (of 1 total) Author Posts August 30, 2018 at 12:09 pm #81 atuterKeymaster When the concrete spalls, it is a good idea to do a sound test with a hammer. This can tell you if it is still structurally ok or not and cost you nothing Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In → Earthwork