Start with conditions, not a product
Roof runoff, grading, hydrostatic pressure, wall cracks, floor joints, drainage, and interior humidity can create similar symptoms with different solutions.
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
Columbia context
Columbia combines historic in-town homes, postwar brick ranches, military-influenced neighborhoods, and fast-growing suburbs. Humid heat, intense thunderstorms, clay and sandy transition soils, mature pines, and rolling watersheds make moisture and runoff important.