I'm in the process of revamping our very overgrown, old ex-rental house, front yard. Having already extended one of the garden walls and made room for parking in the front yard I now am looking at the possibility of rendering all the garden walls in the front yard. most of them were built in the late 60's early 70's apart from the extension I just did. None of them are waterproofed on the backside. All up there is about 50 metres of wall about 3 courses high. Any thoughts on type of render I...

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