D2 has been successfully used to remove staining from a variety of surfaces including natural stones such as marble, granite, limestone, sandstone, and slate; masonry surfaces such as brick and cast stone; concrete; wood; aluminum and vinyl siding; and canvas. It works! D2 has been ...
Areas to Avoid Spraying It is NOT recommended to spray Phos-Chek directly onto houses and other structures. While Phos-Chek is effective on any cellulose material, including wood fences, decks, and shingle roofs, it is not effective on vinyl siding, composite decks, or other inorganic building...