Start with conditions, not a product
Removing growth without correcting whatever is feeding it — a leak, condensation, or poor drainage — just buys time until it comes back in the same spot.
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
West Palm Beach context
Moisture sources here tend to trace back to AC condensate lines fighting constant humidity, roof-to-wall flashing stressed by hurricane-season wind-driven rain, or canal seepage on waterfront lots in neighborhoods like Prospect Park and Golfview Harbor. Each calls for a different fix, not one default answer.