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Unread 07-07-2015, 08:09 AM   #4
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Join Date: Jul 2001
Location: Boerne, Texas
Posts: 91,863
Welcome, Will.

A flood test can be accomplished with the final mud bed in place, but it requires patience enough to accept that it will take some time for the mud to become fully saturated and allow the water level to testify as to the absence of any leaking.

If you are confident you already know where it will leak again if you've not corrected the previous issue, that could speed the process, but you'll still want to give it a minimum of 24 hours to be sure. If it took 36 hours last time, 72 hours might be a good test this time.

You'll wanna fill the entire receptor area to the top of your curb.

The top flange can be inverted as you show in your photo to accommodate the mud bed thickness. The minimum thickness required by tile industry standards is 1 1/2 inches. Be sure to protect your weep holes before you re-mud around the drain after you determine where your leak occurred and repair that area.

My opinion; worth price charged.

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