Browse Forums General Discussion Re: Help to identify the problem 3May 10, 2021 3:49 pm arcadelt SB626 Hi, Can someone please help me to identify the problem in the attached photo and also if this is something serious? It's just efflorescence caused by salt leaching out of the mortar. Personally I wouldn’t worry about it too much, but you could dry brush it away and see if it comes back - don't use water, as that is the cause. If it does come back, you might want to check that there is no issue with the eaves and downpipe, especially whether there is water ingress behind the wall. There are some treatments which you can do research on. https://www.ccaa.com.au//imis_prod/documents/Library%20Documents/CCAA%20Datasheets/DS2006Efflorescence.pdf Thanks. makes sense. 1 334 2 5841 I don’t think so as the floor area over 300 square meters then it is class 3…. 12 17935 |