I was just curious as to how 'different' the insulating might be whether one is working with a North facing room vs. a South facing one. Thanks for the info.
FWIW, I certainly wasn't 'knocking/questioning' your original answer. Your explanation just 'triggered' the question I asked. :)
Happy Holidays to you and yours.
Jay J -Moderator
PS: If you're having any 'problems' with the tile job, Larry (on the BBS here) might be able to help ya. It's his particular area of expertise ... larry.glass@juno.com