Start with conditions, not a product
Wiping away visible mold doesn't fix a failed vapor barrier, standing water, or a slow plumbing leak underneath the house — that source has to be corrected first, or the growth simply returns.
Build a complete scope
- Existing conditions and likely cause
- Preparation and protection
- Materials, compatibility, and installation details
- Permits, testing, cleanup, and restoration
- Exclusions, warranty terms, and change-order process
St. Petersburg context
True crawlspaces show up mostly in St. Petersburg's older bungalow districts; newer construction elsewhere in the city is typically slab-on-grade. Given the near-total lack of elevation across the peninsula, even a modest rain event can leave groundwater sitting close to the surface under an older raised home.