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Mold & Mildew

Mildew is the common name used to describe mold and its discoloration: the visible part of the fungi. It often appears as black, green, or brown fuzzy powdery or slimey patches. Spores, the fruit or seed of mature mold float easily and invisibly in the air, seeking the perfect environment to root.

Mold thrives in warm, moist, humid conditions with poor ventilation. Below freezing it becomes dormant. It is more plentiful in warm, humid conditions. Mildew can be found on many different surfaces including painted surfaces. Mildew can penetrate through the pores and get into the wallboard, paper, or plaster.

Dealing with Mildew

Painting over the mildew will not destroy it. Removing the moisture is the number one solution to mildew problems. Barring that, use a mold and mildew inhibitor, which is a premixed mildew killing product or a solution of one part bleach and three parts water. When working with these products use eye protection and rubber gloves.

Once the process is completed rinse completely with fresh water. Once the mildew is eliminated the wall should be primed with a primer sealer. Mold and mildew inhibitors can be added to this primer and this additive works to inhibit the growth of spores. This primer reduces the overall porosity of the walls, seals all and gives a better foundation for the finish coat of paint.


Parvo's Paint & Wallpaper Center • 679 West Main Rd., Middletown, RI 02842 • Tel: 401-849-3500 • Fax: 401-849-9380 • Email: