Test Method Statements
Water Ponding / Flood Test for Waterproofing
Checking waterproofing of roofs, bathrooms and tanks before covering.
Reference standards: Project specification / BS 8102 guidance
Procedure
- Seal drains and build temporary bunds at doors.
- Fill water to 50 mm depth at the highest point; mark the level.
- Leave for 24–48 hours; inspect ceilings and walls below regularly.
- Check the water level drop (allow for evaporation) and record photographs.
- Drain, and protect the membrane immediately with screed.
Acceptance criteria
- No damp patches or leakage below; record signed by the consultant.
Health & safety
- Check slab design load before ponding.
FAQs
What is the Water Ponding / Flood Test for Waterproofing used for?
Checking waterproofing of roofs, bathrooms and tanks before covering.
Which standard does it follow?
It is based on Project specification / BS 8102 guidance. Always follow your project specification where it differs.
Can I print or submit this?
Yes. Use Print / PDF, add your project details and submit it through your normal approval process. Get it reviewed by your engineer or consultant first.
Is it free?
Yes. The library is free to read and print, without an account.
General guidance only, not engineering advice. Project specifications, approved drawings, manufacturer data sheets and your consultant's instructions take priority. See our Policy. This document was generated using CM PRO. Powered by CM PRO.