menards® pro advantage let's build our businesses together! odorless mold killing epa registered to kill existing mold mildew and odor causing bacteria • paint directly over mold maximum adhesion • creates a strong bond for any topcoat • great for glossy and hard to stick to surfaces ultimate stain blocker for interior and spot exterior use zinsser quality since 1849 zinssero problem solving primers trusted by pros for additional sizes also available! interior blocks stains water base shellac interior and exterior kills mold water base interior and exterior maximizes adhesion interior and blocks stains blocks odors spot exterior zinssero zinssero zinssero odorless zinssero mold killing primer bondz bin maximum adhesion primer oil-base stain blocker rotateinter spot exterior odor causing bacteria rimer ultimate stain blocker lam mir each odorless stain blocker interior primer each mold killing each bondz maximum adhesion • urethane-modified acrylic primer bonds all each • dries in minutes and can be recoated in 45 minutes click on product to check shipping options and availability open early - serving pros for over 60 years