Click to see full answer These products contain an antimicrobial to prevent the growth of mold. Shellac-based primer can be thought of as heavy-duty stuff. This particular product is one of the oldest and most trusted shellac-based primers and sealers on the market. Zinsser Mold Killing Primer is actually a perfect product to prime an entire bathroom with before you have any mold issues to help prevent the growth of mold on any of your walls in the future. STEP 1: Treat the existing mold. That is, a primer that's meant for … It's registered with EPA as a fungicidal/anti-microbial and guaranteed to kill current and prevent future growth. STEP 2: Bleach the mold areas. You must clean and wipe off all the mold before applying the primer over it. Zinsser Mold Killing Primer is a water-based fungicidal protective coating that can be used to paint over and kill all existing mold, mildew, moss, fungi, odor causing bacteria and any other fungal organisms. If I were you, I'd leave that Mold Killing Primer on the shelf in the store and clean your wood with bleach diluted with 5 parts water. Then rinse the wood down with clean water, allow time to dry and use a NORMAL primer on that wood. Remove existing mold from wood Once you've stopped mold from spreading onto other surfaces, like the new bookcase I bought at 10 p.m. in a panic, you'll need to kill the original source. Zinsser Mold Killing Primer has an EPA registered antimicrobial added into the paint that kills and prevents future mold growth. Clear shellac dries transparent with a faint, golden cast that is much lighter than oil-based varnishes, while amber shellac has a warm, orange cast that gives a rich, antique look to woodwork. Mold resistance and usage. Zinsser was commissioned to create a product that could kill the mildew/mold with minimal prep work and keep it from coming back. Zinsser B-I-N Primer Sealer – Great Interior Primer Both for Bare and Painted Wood Zinsser is a brand that is a part of the Rust-Oleum family of paints and primers. Zinsser Bulls Eye 1-2-3 Primer is also thick in consistency, so you don’t have to apply too many coats. Zinsser Mold Killing Primer is available at The Home Depot. It is ideal for use in bathrooms, kitchens and areas of high humidity and can be used on internal surfaces such as tiles, wood, plaster and wallpaper. However, some users dislike its heavy texture, saying it makes the primer tricky to spread and brush smooth. Mold Killing Primer is for use on non-porous interior and exterior surfaces. It dries to touch in 30 minutes and can be top-coated in one hour. Zinsser Mould Killer and Remover effectively removes dark stains caused by mould, fungus and algae. Zinsser® Bulls Eye® Shellac is an alcohol-based solution of lac, a natural resin imported mainly from India and available in clear and amber tones. 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