I am starting applying a scratch coat to a brick wall. I have cleaned the wall and wet it ready to start. I am using sand and lime mortar. It doesn’t seem to be sticking to wall and falls off and sometimes sticks to trowel. Not sure what the problem is?
dont use lime and make sure you do the right mix
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Have you put to much lime in your mix,have you used sbr which is also mixed in with your render mix
Pva the wall first use soft wash sand and cement no lime because lime is only used to stop the sand and cement from going off so quick its a retardent has to be nice fluffy mix aswell