Features . Kills cleans and prevents mold and musty odors. Contains no bleach ammonia or volatile organic compounds vocs . Penetrates to the roots of mold. Leaves behind an invisible antimicrobial shield to prevent future mold growth. Din-registered. Works on drywall concrete wood masonry siding shakes shingles stone grout plastic tile and many more surfaces. Ideal for basements bathrooms laundry rooms attics closets garages windows car interiors boat interiors and rvs. An official mike holmes approved product. Form liquid