Mold On Wood Floor Joists

Inspection of crawlspace revealed moderate mold growth throughout significant areas of subfloor and floor joists.

Mold on wood floor joists. Spray your floor with your cleaner and leave it to soak for 10 minutes. If your wood floor is stained from mold you ll need a cleaner designed for urethane finishes or a chlorine bleach solution with 10 parts water to 1 part bleach. Significant areas of rot were noted in framing along exterior wall the inspector was able to pass a 3 5 knife blade completely into the rim joist along the back foundation wall. A variety of fungi can result in mold or mildew on floor joists.

Black mold on floor joists is generally more hazardous than white mold on floor joists for example. There are a few mixtures that you can spray onto the mold to kill and remove it such as measured doses of borax and water. Grab a helper for this task if you can. In crawl spaces where lighting is more dim take an extension cord and a drop light with you as you inspect the floor joists for mold.

In some cases altering the conditions around the wood can stop growth but in more severe situations a visit from a professional is required. It s important to wear gloves and safety goggles when cleaning mold since it can be toxic if ingested. If you discover there is mold on the subflooring you will want to remove it carefully. Step 5 treating floor joists in crawl spaces.

Because wood is a mold favorite it can get on the subflooring and floor joists spreading under the surface.