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Unread 09-16-2008, 07:20 PM   #2
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Join Date: Nov 2003
Location: LaConner, Washington
Posts: 13,694
Hi OT, how about a first name?

We'll need to ask a couple questions first.

In the entrance, what is the unsupported span of those joists? With that information, go to the Deflecto tool, see blue bar above, input the requested data and tell us what you get.

For the Landing, are those 2x4's being used as joists? If so, is the span 3-feet?

1/4" plywood makes a terrible substrate for setting tile. 1/4" backer board is good,however.
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