Trying to handle a breakout like that yourselves is basically asking for the fungus to return right after you finish putting up new drywall. The crew doing your remodeling will absolutely refuse to work until the entire place is completely cleared out and safe to breathe in. You should probably just hire a mold remediation service right here http://totalhomerescue.pro/mold-remediation . They will actually strip all the infected materials out and treat the bare surfaces with industrial chemicals to kill the roots completely. Getting the source of the problem destroyed leaves your building totally ready for the construction crew to start their jobs.
