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 on roof trusses.
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.
If there is a leak in the roof plumbing or windows the mold will reappear if the water is.
So you ve had a roof leak recently.
If the wood used in trusses is kiln dried the moisture content is equal to or less than 19.
Best procedures for cleaning mold contaminated wood.
This growth will cease once the moisture content drops to 19 or less.
To prevent future mold growth remove the source of moisture causing it.
Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified.
All of these things can result in condensation that promotes mold growth.
Namely you need to look out for the ceiling mold after a roof leak.
How to remove ceiling mold after a roof leak.
Essentially i told them it is mold like and they should seek the services of a mold specialist or mold remediation company.
Prevent future mold growth.
Fungus and mold will grow on the trusses if the lumber moisture content exceeds and remains above 20.
While you ve probably already gotten a roofer out to your home to fix the immediate problem you should also be aware of the residual side effects of a roof leak on your home.