Safeguard Your Home From Subfloor Mold


Mold along a subfloor is not as easy to detect as mold on the walls or ceiling. Since the subfloor is covered by finished flooring, it's easy for a homeowner to have this issue and not know it. Learn how you can detect this type of mold growth and what you can do to resolve the matter.


Mold along a subfloor is almost always the result of a leak. Whether it's a burst pipe upstairs that is leaking down the wall and onto the subfloor or a pipe on the floor with a leak, the moisture that collects along the subfloor will eventually lead to mold. In rooms like the laundry room, a leaking washing machine could be to blame, and in the bathroom, a faulty wax ring on a toilet can cause water to leak. 

Red Flags

A major red flag with subfloor mold growth is an odor. Mold has a distinct musty smell that doesn't go away no matter how much you clean the room. If the mold growth is new or only in a smaller area, it might not smell. However, an uptick in allergy-related symptoms can also alert you of the problem, since the mold spores can escape from the subfloor through the tiny gaps along the edges of the finished floor. 

Careful Handling

If you detect mold, don't get ahead of yourself and start ripping up the floor right away. If there is anything positive about the situation, it is the fact that the mold is somewhat contained as long as the subfloor is covered by the finished floor. If you rip up the finished flooring and expose the mold-covered subfloor, the air that sweeps over the area will cause the spores to expand and cause more of the mold to become airborne. Cover the area and allow the removal professional to take up the finished flooring. 


A lot of people run and grab a bottle of bleach whenever they see mold, but for subfloor mold, bleach won't help. Subfloors are typically made from plywood, which is a porous material. When you pour bleach onto the surface, the plywood absorbs it. Since moisture leads to mold growth, you will inadvertently only make the matter worse. Mold removal in this instance requires an entirely different approach. 

Contact a mold removal company if you discover mold on your subfloor or you have suspicions about the problem. From detection to removal, a mold removal company can assist you to protect your home and family. For more information, contact companies like Authorized Services.


30 May 2019

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