Mold In Roof Rafters

Check for areas of dark discoloration staining of wood e g.

Mold in roof rafters.

Attic mold is often caused by warm moist air from the house leaking into the attic space. Mold infested drywall and insulation must be. Rafters sheathing joists attic side of fascia boards etc. Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring.

Below are a few ways to check for possible roof leaks. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses. The epa and other government agencies no longer recommend bleach for doing this. Bleach is corrosive and nasty to use and it kills only surface mold.

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. Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements. 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.