barakobama951 year ago000Hello , Could this device be useful to find out if there is water infiltration under a cement screed?Show in original language (French)aschb1 year ago • purchased this product000purchased this product Helpful answerAs long as no metal is trapped in the concrete, the measurement works.< 25 =Dry25-50 = Medium> 50 FIREShow in original language (German)Comment