Contractors
Foundation waterproofing questions
Questions before buying waterproofing work.
Short answer
Foundation waterproofing proposals should be reviewed for problem source, interior vs exterior approach, drainage, sump requirements, maintenance, warranty limitations, and whether structural evaluation is needed.
Checklist
- Ask what diagnosis supports the proposal.
- Compare interior and exterior approaches.
- Clarify warranty exclusions.
- Get structural concerns evaluated separately.
Home Drainage Planner
Use the waterproofing proposal worksheet.
Checkout is intentionally not connected. Product activation requires final approval.
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Administrative and educational resource only. This guide is not inspection, engineering, legal, medical, or water-safety advice. Confirm local requirements and property-specific decisions with qualified professionals and official local agencies.