Installig building materials that have visible signs of water damage or mold?

Wet floor develop mold - hidden moldDo not install building materials that have visible signs of water damage or mold. In addition, interior walls shall not be enclosed (e.g., with drywall) if either the framing members or insulation has a high moisture content. For wet-applied insulation, follow the manufacturer’s drying recommendations.

Water Damage can lead to serious secondary damages such a mold, musty smell, health issue and allergy. Moisture and humidity needs to be address within 24-48 hr in order to avoid future damages.

Advisory: Lumber should not exceed 18% moisture content.

Why? Installing building material on which mold is growing would simply transport mold into the home occupant’s environment. Rain, sleet and snow are all part of home building; although stored or staged building materials should be protected from the elements, materials can still become wet after they are incorporated into the structure (as rough-framing and sheathing, for example) but before the home is roofed and otherwise made weather-tight.

Materials that are not allowed to dry sufficiently can support mold growth. Wet-applied insulation must be allowed to dry for the same reasons.


Visually inspect building materials and use a moisture meter to test any that are questionable. Allow material to dry sufficiently.

More Information can be found here. Call now for free inspection (877) 520 1923

(This article belong to EPA 402-K-02-003 edition)


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