How to Perform a Water Test with the Schluter Shower System

October 29, 2020

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A water test is recommended before setting tile to verify there are no leaks within the assembly and to ensure a successful waterproofing installation. This evaluation may be required by building code officials on some projects.

Let’s take a look at how to perform a water test. Wait 24 hours after the membrane installation is
complete to allow for the final set of the mortar. Insert a test-plug in the drain or waste line to keep the
water in the shower base during the flood test. The size of the plug should correspond with the size of
your drainpipe, typically 2 or 3 inches.

Fill the shower base with water. The water level should be high enough that the membrane-to-drain
connection and floor-to-wall transitions are evaluated. Mark the wall with a pencil to indicate the water
level. Typically, water is left in the shower base for 24 hours.

Check the water level to make sure there are no leaks. Finally, remove the test plug and allow the water
to run out of the shower base. Wipe down the shower base or allow it to dry prior to setting tile.
The shower is now ready for tile!

If you still have questions, please contact our Customer Support Specialists. For more information on
Schluter products, visit schluter.com, or check out our YouTube channel to view our videos!

—This video comes from Schluter, one of ProTradeCraft's advertisers. See all of Schluter's content.


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