Customer called us out to try to find if leak was present, causing the floor to warp, customer also said that small amount of water it was found on the corner of affected area, Could not re-create issue ran kitchen sink and dishwasher multiple times to see if leak would show up leak did not show up Upon doing thorough evaluation of the rest of plumbing system, found thermal expansion tank, not properly strapped and causing tension on pipe. Inform customer and offered solution. Customer did not want to proceed at this time. As well as found customers water pressure to be at about 100 psi presented options to repair. However, customer did not want to proceed at this time.