In every attic there should be an isolation valve to the tank so there should be no reason to turn the mains water supply of until the emergency plumber arrives to fix the plumbing problems.
Leaking water tank attic.
Water leaks occur through roof failure ice dams and water condensation or frost build up inside an attic.
Leaks from a water heater can be major depending on where the leak is coming from damage can be to attic flooring insulation drywall and even flooring if it leaks a long time a 50 gallon water heater will overflow the pan and then some if it bursts or the bottom rusts out mold can form from the moisture in your attic.
A fully insulated attic access hatch.
If your cold water feed and expansion tank overflow pipe is leaking there are two possible causes.
These type of water leaks are easy to find but also easy to fix if your good at a bit of diy plumbing.
When you check again if the numbers have not changed the water leak is inside your home.
If you can see water constantly running or dripping from the water feed try checking the float valve isn t stuck as described in step 2 above.
A tight fitting lid on the water tank.
The water feed into the tank isn t switching off.
Here s how to stop the flooding problem for any of these issues.
There are normally two but can be virtually any number depending on the size and type of system you have.
Just be careful when you get up walk crawl around in an att.
Possible causes of attic water heater leaks.
Go into the loft and take the lid off each tank.
Leaking hot or cold water lines.
Look inside the tank.
Check the water meter write down the numbers and wait another hour.
Disruptions or breaks in the incoming or outbound water line connections.
Commonly attic water heater leaks are caused by problems like these.
If the numbers have changed the.
Rainy weather causes the first type of leak to be discovered.
The water level in a tank is too high so it is running out the overflow.
Fully lagged pipe work again to stop it freezing in winter causing leaks.