"...your local hardware store..."
Depot and Lowes have ingested just about all our local hardware stores. i hate to admit it but I have of course been part of the problem there as I have frquented both places. The more I do though, the less I go there. Depot USED to actually have a lot of pros in the stores that could intelligently answer questions, Lowes (at least locally) never did. Now the vast ,majority of people at our local stores don't know jack and in a lot of cases are dangerous cause the advice they would give you is either made up or completely wrong. I had a friend who they told him to just use hardibacker in his shower since it is "waterproof" already. Needless to say he figured out after he spent a bundle putting it together that he needed to tear it all out, waterproof the hardi-backer and retile. When he went back to Depot and had a "discussion" with the expert who told him that, the expert insisted he was right until my friend pulled out the documentation he got from the manufacturer. Which leads me to wonder, what does it take to be an "expert" at Depot?