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What is mold?

Mold is a fungus that causes health problems in people and destroys cellulose materials like wood - as seen in this closeup. Click to enlarge the picture.
Mold is a fungus that causes health problems in people and destroys cellulose materials like wood - as seen in this closeup. Click to enlarge the picture.

Mold is the name of a parasitic fungus that comes in millions of different varieties. Like other plants, mold requires oxygen,  moisture, and a source of food. Unlike green plants, however, mold does not contain chlorophyll, so it doesn’t need sunlight. In fact, ultraviolet waves from sunlight will actually kill mold growth.

Mold causes health problems
and destroys building materials

Mold’s food source is cellulose, the main structural element in the cell walls of plants. Mold often grows on building materials because a large number of these are cellulose-based - everything from the wood used in studs, plywood, flooring and trim, to the paper backing on drywall and the fibers in ceiling tiles and carpeting.

Mold spreads by way of microscopic spores that float in the air. Mold spores are virtually indestructible and can remain dormant for years, even without moisture, and even in extreme hot or cold temperatures. In fact, mold spores are nearly everywhere, ready to start growing whenever they find a suitable environment. If an organic cellulose material remains moist for 24 hours, you’ll discover mold growing there.

Mold or mildew?

Technically, mildew is not a significant health problem because it’s not a dangerous species of fungus. In most cases, however, it's impossible to tell the difference between mold and mildew without testing. In fact, both mold and mildew are fungi and - right or wrong - many people use the words interchangeably.

If you find mold growing in your home or business, call Comprehensive Risk Services. We specialize in mold detection and mold remediation. We'll solve your mold problems quickly and safely.