Guidelines for the removal of mold stains
Guidelines for the removal of mold stains
The removal of mold stains depends on the material on which the coloring has occurred. You can try using soap, vinegar and household cleaners to remove stains. For mold stains that are difficult to remove, we recommend the Concordia Mold Stain Remover. It does not contain bleach, so it does not damage the surfaces. Its use is safe for wood, stone, fiberglass, plastic, laminate, metal, aluminum and concrete.
Grout: Mold growth in groups cannot be satisfactorily eliminated because it grows in the grout. If you try to clean it, it will grow back quickly. The grout must be removed and replaced with a new grout.
Wood: It may be necessary to go to the hardware store to remove mold stains on the wood such as floors, decks, fences or woodwork. But first, try cleaning with the ingredients you probably have in your kitchen. To clean wood stains from the surface, mix vinegar, mild soap and water. Dip a cloth in the vinegar mixture and clean the wood. Wipe again with another damp cloth and dry thoroughly. If the mold regrows in one or two weeks, it means that it has penetrated the surface.
If the mold has penetrated the surface of the wood, you will have to sand it to remove everything. Sanding can be dangerous because it releases mold spores. Always use an N-95 mask when sanding moldy wood and outside wood. With sandpaper n grain. ° 100, sand the wood with a circular motion where you see mold. Then follow with sandpaper # 220. Use a HEPA vacuum to clean the dust after sanding. Now you can repaint or stain the wood. If you cannot completely remove the mold because it has penetrated too deeply, you must replace the wood.
If the wood is inside, it is dangerous to sand it yourself. The risk of inhaling or spreading mold spores is too high. For small amounts of mold in the wood, clean as much as possible by rubbing with a cleaner, allow the surface to dry, and then encapsulate the rest of the mold with commercial sealant, such as Foster 40-50. If the mold covers more than 10 square feet, the US Environmental Protection Agency (EPA) recommends using a professional moving company.
Walls and ceilings: walls and ceilings are generally porous. Therefore, if the mold has penetrated the material, it will be necessary to replace it. To clean mildew from the surface of painted walls and ceilings, use a mop cleaner. If the stain is still visible, the mold has penetrated the surface and the material needs to be replaced.
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