Stop first if
- Water reaches outlets, lighting or heating cable connections.Stop the water test. Shut off power only if it can be done without risk. Call a licensed electrician.
- The floor around the shower is soft, or it sags and is getting worse.Keep people off it. Call a contractor, and a structural engineer if it keeps moving.
- Supply or drain plumbing needs opening.Stop there. Call a licensed plumber.
01
Ask on the call
6Homeowner? These are the questions a good technician will ask you. Having the answers ready makes the first visit count.
- Where does the water show up, and when?
- Does it happen only when the shower runs?
- Do you know what membrane or backer board was used?
- Is it a steam shower?
- Is the caulk soft, peeling or growing dark spots?
- Has a plumber looked at the valves and drain?
02
Bring
5- Moisture meter
- Flashlight
- Putty knife
- Phone for photos
- Drain test plug
03
Check on site
6- Find the membrane product and read its stated limits against how the room is used.
- Have a licensed plumber look at supply and drain leaks before blaming the membrane.
- Keep water tests away from outlets, lighting and heating connections.
- Inspect seams, coves and joints where tile meets other planes.
- Cut a bad sealant bead and see what sits under it.
- At an opening, probe the substrate for softness.
04
Keep on the record
4- Where and when water shows
- Membrane and backer details
- Photos of seams and sealant
- Moisture readings around the area
General guidance for a qualified person, not a finding about any home. The person on site decides.