Profile: Masterchem Industries, Inc. offers painting products. Our line of primers offers superior color coverage, mildew resistance, tough stain and odor blocking. Our deck finish remover removes loose wood fibers & strips weathered stains and sealers. Our multi-surface mildew stain remover is used on aged or weathered decks, siding, shingles, concrete, masonry and brick. Our brand includes Kilzā,¢.