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Old 12-21-2009, 06:45 AM   #1
bob22
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Join Date: Dec 2009
Posts: 6
THinset working time

First time mixing up thinset from the bag. The last time I used premixed. Any general rule for working time for modified thinset? I'm having a tough time estimating how much water to start with for the amount of dry mix and end up mixing too much thinset.
I have a 50 lb bag with about half left from the Hardibacker installation. What is left should be more than enough for the tile install if I mix it right in smaller batchs; otherwise it will set up too fast and get wasted. To do an area about 3' x 3', how much water to dry mix?
Thanks,
Bob
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