Mitigate Water Damage After Upstairs Bathroom Overflow

Cost Savings

Checklist Tasks

• Shut off main water supply to stop flooding and prevent further seepage below.
• Remove standing water with a wet/dry vacuum to keep it from soaking the subfloor.
• Pry up baseboards and a section of flooring to check for trapped moisture.
• Open ceiling panels or cut inspection holes below to find hidden water pooling.
• Use a moisture meter on drywall, subfloor, and ceiling to detect unseen saturation.
• Direct high-velocity fans at floor and ceiling to speed drying inside cavities.
• Run a dehumidifier in affected and adjacent rooms to lower humidity and prevent mold.
• Remove and bag wet insulation from ceiling to prevent microbial growth and odors.
• Photograph all affected and hidden areas for insurance documentation.
• Spray mildew-resistant antimicrobial on framing and subfloor before closing up.
• Probe behind wall tile and under vanity with a moisture meter for concealed leaks.
• Schedule a follow-up moisture check in 48 hours to confirm full drying.