@Aegis21 posted:I have to admit since this layout is in our basement with de-humidification in summer and central humidifier for winter I will seriously consider leaving it float. Or maybe securing the corners so my clumsiness doesn't mess it all up! LOL
I screwed mine down to maintain flatness. I'd be concerned about homasote getting too wavy if it's not screwed down at least every foot or so.