Lime Prime is used for that purpose! It remains active for about 6-7 years and after that it is non conducive to mold growth. Meaning, it’s an inorganic mineral lime base that doesn’t feed mold growth. Lime Prime is a high quality primer that will harden drywall mud, directly cover mold stains and provide a strong base for coatings to adhere. It is used on its own for severe mold abatement situations such as basements, flood damage, wineries, property management, hospitals and schools.
is excellent as a super duty drywall primer to harden drywall surfaces and provide a breathable, non flammable surface for future coatings. Instead of using toxic chemical biocides, many builders have turned to Lime Prime to spray on wall cavities and the shell of the building before drywall goes up. This offers the homeowner added protection at a competitive cost. Lime Prime replaces low quality, toxic vinyl acetate primers for drywall, improving wall smoothness, hardness and durability. It is the only of its kind. Zero VOC, mold proof, non flammable, mineral primer that can be painted directly over mold stains.