Kill mold with borax. Borax is an inexpensive products you can buy while in the laundry aisle at most supermarkets. It works on nonporous surfaces for instance tile and glass and also on Wooden and other porous surfaces (as long as they will not be damaged by too much dampness). https://spencerianzn.blogvivi.com/34211998/everything-about-attic-mld-removal