Essentially i told them it is mold like and they should seek the services of a mold specialist or mold remediation company.
Mold on roof trusses.
Roof drains and downspouts and 8 poor ventila tion and or air circulation combined with high indoor humidity from showers cooking or other activities.
Best procedures for cleaning mold contaminated wood.
If the wood used in trusses is kiln dried the moisture content is equal to or less than 19.
Namely you need to look out for the ceiling mold after a roof leak.
All of these things can result in condensation that promotes mold growth.
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.
To prevent future mold growth remove the source of moisture causing it.
So you ve had a roof leak recently.
This growth will cease once the moisture content drops to 19 or less.
How to remove ceiling mold after a roof leak.
Prevent future mold growth.
Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified.
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.
For cya reasons there is no way i m down playing moldy trusses in a new home will gladly give that ball to someone else.
If there is a leak in the roof plumbing or windows the mold will reappear if the water is.