20kg should do it, curious, is it plaster as real plaster or 'solid plaster' ?
kevymtnz,
Jan 5, 7:15pm
im trying to get away from adding lime or sand but straight from bag and water im getting mixed results as some online calculators say i need 3 x 20kg ? all i know its .552Mc its brick
Putting plaster on exterior brick will suck in so quick, by the time you're mixing the 2nd bag, the 1st bagful placed on the wall will be hard. Is it interior or exterior? makes a big difference in what you can use
happychappy50,
Jan 5, 8:24pm
I would be a good idea to install a latex over the substrate before plastering,this will help with it sticking
don735,
Jan 17, 1:51pm
mate this is the best advice you are going to get biff you plastering tools and get a trade cert solid plasterer in to do the work cut your costs right here right now this advice will cost you 20cent into the spca bucket at most daries
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