What this video covers
The clip is a seasonal checklist aimed at the weeks before spring, when conditions turn favourable for growth.
It covers testing the sump pump before you need it, clearing gutters so water leaves the building rather than tracking down walls, and checking window seals for the gaps that let moisture in through winter.
The takeaway
All of it is maintenance you can do in an afternoon. The point of doing it early is that spring mold is decided by conditions you set up before the season starts.
Read the full written guide: Mold Prevention Checklist.