Dealing with Mildew or Mold Growth on Paint

Mildew is one of the most common problems experienced by home or commercial property owners. It can appear as superficial black or brown spots and can grow on painted surfaces like walls and ceilings.


In common layman’s language, the term mildew is often used to refer to mold growth. This growth can be caused by a diverse number of fungal species — simple microscopic organisms that usually grow in moist environments. In nature, molds are important because they are responsible for the decomposition of organic matter such as dead plants and animals. They are also essential in the recycling of nutrients throughout ecosystems. But it is exactly this ability to destroy organic matter which makes molds and mildew are problems for people. They can grow on products made from organic materials, including wood furniture, books, the paint on your walls, etc.

Causes of mildew or mold growth

As mentioned, molds and mildew love moisture-rich environments. As such, they usually occur in homes faced with water damage. Flooding, damaged plumbing, sewage backup, damp basements, and constant high humidity are just some of the things that can encourage mildew or mold growth.

When it comes to your walls and ceilings, the type of paint coating you choose also has an effect on the growth of molds and mildew. Alkyd or oil-based paints usually contain oils from plants such as linseed, sunflower, soybean, corn, and safflower or even pets such as fish. This makes the paint susceptible to the growth of fungi. In this regard, high-quality latex paints are better than their alkyd counterparts.

Mold remediation

To prevent the growth of mold on painted surfaces, make sure to prime any bare wood before applying the paint. Moreover, don’t just paint over any existing mildew or mold growth. Remove such growths before painting over any surface, whether it’s wood, substrate material, or a previously painted surface. If you want to make sure that a paint job will be done properly painting contractors san antonio can help you out. Our Houston painters are known for their top quality workmanship and will make certain there will be little chance for mold to set in.

One way to easily get rid of mold is to use bleach. Just mix one part bleach to three parts water, and scrub the mold off the painted surface with a brush or a scouring pad. Remember to test over a small spot first because bleach can fade the paint’s color. If the mold growth has spread over an area that is too large to manage, it’s probably best to get help from a professional mold remediation service provider because mold growth can become a serious health hazard.

If your house has experienced water damage, be sure to have the source of moisture or humidity repaired. It will also help if you install exhaust fans in locations where there are elevated moisture levels. For more information about painting contractors san antonio visit our website at

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