Thread: Schluter help
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Unread 06-28-2010, 09:19 AM   #5
cx
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Join Date: Jul 2001
Location: Boerne, Texas
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Joist length is the unsupported span of the joist, Jason. Any structural support under the joist counts as reducing the span.

You can add to the rigidity of the joists if you can effectively sister a minimum of the center 2/3rds of each one in the area to be tiled.

Adding a support wall or beam can often give you more bang for your buck if you have the option to do that.

My opinion; worth price charged.
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