Mold In Roof Rafters

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.
Mold in roof rafters. Best procedures for cleaning mold contaminated wood. Rafters sheathing joists attic side of fascia boards etc. Mold growth provided it is not just cosmetic mold which can simply be left alone can be cleaned from wood surfaces by blasting scrubbing or even simple surface wiping depending on the surface accessibility and. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.
Mold infested drywall and insulation must be. Attic mold is often caused by warm moist air from the house leaking into the attic space. Bleach is corrosive and nasty to use and it kills only surface mold. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses.
Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified. Below are a few ways to check for possible roof leaks. Check for areas of dark discoloration staining of wood e g. The epa and other government agencies no longer recommend bleach for doing this.