Posted by Jerry in Idaho [24.49.176.137] on Tuesday, October 13, 2015 at 20:09:28 :
In Reply to: Re: O.T. Mortar or thin set Thanks everyone posted by bill in pa [70.199.6.53] on Monday, October 12, 2015 at 20:44:57 :
Cultured stone usually will have manufacturer suggested adhesives listed in the instructions. If the back is flat, Thin Set will work fine. And where no water is involved, mastic would be fine, too.