Damp patches should be approached with caution. Make sure you know what you’re doing or you’ll be wasting everyone’s time. There are a few methods for how to treat damp patches but whatever you go with make sure you take your time and carry out the job thoroughly . Remember prep is 90% of the job! Hope that helps any novices and refreshes any old hands!
How are you doing love?Salts are quite common. Wipe off with a soft brush , paint some watered down salt neutraliser onto affected areas , repeat if necessary. Eventually wall should dry out but Sika1 walls prone to cracking like all sand and cement. That's why I don't tank basements anymore , well that and my hands shaking lol
How are you doing love?