Mastertech Environmental

Mold Resources

Debunking Common Mold Myths

Mold misinformation can lead to ineffective treatment and health risks. Here are the most common mold myths and the truth behind them.

Myth: Bleach kills mold completely

Truth: Bleach only removes surface mold and does not penetrate porous materials where mold roots grow. It can also add moisture, making the problem worse.

Myth: Small mold spots are harmless

Truth: Visible mold is often just the tip of the iceberg. Small spots frequently indicate much larger hidden colonies growing behind walls, under floors, or in crawl spaces.

Myth: You can always see mold

Truth: Mold often grows in hidden areas like inside walls, under flooring, in HVAC systems, and in attics. Professional inspection with thermal imaging and air sampling is the only way to know for sure.

Myth: Only old homes get mold

Truth: Any home with moisture issues can develop mold, regardless of age. New construction can have mold if there were moisture problems during building or if ventilation is inadequate.

Myth: DIY mold removal is just as effective

Truth: Without proper containment, PPE, and equipment, DIY removal can spread mold spores throughout your home. Professional remediation addresses the root cause and verifies results with lab testing.

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