Mold In Roof Rafters

Bleach is corrosive and nasty to use and it kills only surface mold.

Mold in roof rafters.

Attic mold is often caused by warm moist air from the house leaking into the attic space. This article offers advice on cleaning mold found on surfaces of un finished wooden building materials such as framing lumber rafters floor joists wall studs and building roof wall and floor sheathing such as plywood tongue and groove pine boards and other structural wood surfaces in buildings. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.

Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified. The most effective way to remove mold from hard porous materials such as wood rafters and plywood roof decking is to scrub it with detergent and water while wearing a dust mask and rubber gloves. Check for areas of dark discoloration staining of wood e g. There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread.

The epa and other government agencies no longer recommend bleach for doing this. Best procedures for cleaning mold contaminated wood. Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring. Mold infested drywall and insulation must be.