Foil backed plywood is the more efficient than spray. Here is one site but many use the same figures. http://www.atticfoil.com/install-questions/paint-vs-foil.html
We use and reccommend TS&G Disinfectant & Cleaner. It is made by MIRACLE Sealants Company and you can use it safely on Tile, Stone, & Grout. It kills Molds & Mildew, Disinfects, Bacter ... read more