We are remodeling a home in Texas (hot & humid!) and want to do a dry stack look wainscot of natural stone 4" chopped (more dense than limestone). The guy at the stone place where we ordered it said you should normally do either metal lathe or tie-ins. There is a decent footing and the...

Recently I have seen two homes with slate tiles for exterior wainscot. Frankly, it looked really good. why is this not used more often? real and fake stone products are common on exteriors. slate is relatively common on roofs- why not exterior walls?