How To Get Rid of Mold on Unfinished Wood

When you discover mold in your home, fast and thorough removal is essential to prevent its rapid spread and related health issues. “Proper mold remediation involves removing the active colony, roots, and dead particles,” mold and air quality expert Michael Rubino explains. “This is particularly challenging on porous surfaces like untreated wood, where mold roots and particles embed deep within the surface.”

We spoke with three experts to get their tips on how to clean mold off wood and keep it from coming back.

How to Clean Mold Off Unfinished Wood

Mold removal requires a more methodical approach when it grows on unfinished wood. “Mold grows roots called hyphae, which can penetrate the surface,” Rubino explains. “Like weeds, to fully eliminate mold, you must remove it at the root.

Follow the steps below to clean mold off unfinished wood. (However, if the problem is large or severe or you have concerns about handling things safely, hire a mold remediation professional instead.)

Prep to remove the mold

“During sanding or other abrasive methods, mold particles can become airborne,” Rubino says. “Set up containment, use protective equipment, and deep clean afterwards to prevent spreading particles throughout your home.”

Mold removal expert Darren Hudema recommends wearing gloves, a P100 mask and goggles or a full-face respirator to minimize exposure to mold spores. “Ensure proper ventilation by opening windows and using fans,” he says. “Before cleaning, dry the wood using a fan or dehumidifier, as mold thrives in moisture, and it’s essential to eliminate the source of dampness.”

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