Planning to put decorative stone on a basement wall (exterior wall) but realize it needs to be very even first. What should I use to smooth it out most easily? I have a lot of mortar lying around but not much desire to apply it on the wall since it will be covered anyway and also because it's a heavy job. Can I dilute the mortar a bit extra and skim coat with it maybe? Or can I sand down the worst unevenness and use regular filler?
I'm thinking about sanding everything super uneven and adjusting it with fix. It's going to need a crazy amount, but maybe it's totally worth it! Otherwise, it will need a crazy amount of filler
Not yet, it will be at the beginning of next year. The tactic is to grind down the worst (only cement-like joints) and then smooth on fix. Will get back with the results I have a diamond disc for the angle grinder that I used to remove old cold asphalt when we redid the drainage.
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