> > > Are you recommending against a slurry coat?



No, not really. Slurry's not a word I use very often so I tried to give more of a visual referrence. I might have caused more confusion than clarification. Sorry if I did. Maybe more like a milkshake that's half-thawed or slightly more.



If you'll add just a lil' bit of water at a time, working from thick to thin, you'll find the right consistency that you'll be able to work with. Actually, if it's mixed thin enough to weaken it, or even too thick, it won't conform properly to the contours you've created. The good thing about it is you can always add more water or grout/thinset.



As far as creating rock forms in the poly insulation boards and/or styrofoam, I brushed acetone on it and they're both very sensitive. They'll suck every bit of acetone off the brush real quick if you're not careful and have very much on the brush.



Have a good one!

HH
-----
Due to political correctness run amuck,

this ol' hillbilly is now referred to as an:

Appalachian American

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