Removing mold growth on floor joists in basement here at mastertech we get a lot of calls concerning visible mold growth on the walls of people s basements.
Floor joist mold growth.
If left alone mold in joists can eventually become such a problem that it can only be removed by professionals.
Mold spores in the air.
In some cases altering the conditions around the wood can stop growth but in more severe situations a visit from a professional is required.
Although mold is most common in wet and humid climates it is still relatively common in many other places.
Thankfully even this level of mold growth can be addressed without replacing the joists though the amount of work required is still substantial.
Beyond that some factors that contribute to a higher chance of mold growth include.
Heavy mold growth on tji joists from new construction.
A variety of fungi can result in mold or mildew on floor joists.
As mentioned before all mold needs to grow is a food and moisture source.
While this is clearly an extreme case mold growth on the joists is fairly common if a home is built during the winter months.
Thirty percent moisture content is saturated wood so when the joists get this wet you have a serious problem and need to be installing a crawl space encapsulation system.
The best course of action is always to remove any spores in the earliest stages of development so follow the simple steps below to effectively get rid of all of it.