Professional Advice Needed-materials to be used [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile

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ELopez
02-27-2008, 05:39 AM
My contractor is starting to install tile in my new home this week and I would like a professional option on the materials he will be using in my kitchen.
Could there be deflection or other problems down the road?
Thanks,
Ed

Floor prep.:
9.5" Engineered wooden I beams; 12" on-center
Longest beam span is 14'
3/4" Advantech T&G subfloor
11/32 plywood, Grade1, Exposure 1

Tile:
Italian Porcelian tile ,13.250" x 13.250"
TEC Fullflex(TA-390) latex thinset morter

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ceramictec
02-27-2008, 07:10 AM
best thing to do is check your Deflection here (http://www.johnbridge.com/vbulletin/deflecto.pl).

once that has been taken care of we need to know what he is setting the tile on.
Cementboard, Hardi, Mudbed, Ditra ??

ELopez
02-27-2008, 08:21 AM
Thanks Brian for trying to help.
I tried to use the deflection program but it does not calculate engineered I-Beams. Is there another program that will do that?
Thanks

Mike2
02-27-2008, 09:04 AM
We don't have a tool that calculates deflection for engineered joists. That data is unique by brand and must come from the manufacturer. However, we do have links in the Liberry to quite a few span/deflection tables published by various manufacturers, but first you must ID your joints. The Liberry links are here: http://johnbridge.com/vbulletin/showthread.php?t=9355 .

Look for some stamps on the wood that might provide some clues as to make/model or ask your builder. I bet those specs are also noted on the blue prints.

ELopez
02-27-2008, 09:25 AM
According to the manufacture (International Beams of Canada) the deflection rate is L/480.

Mike2
02-27-2008, 09:29 AM
There you go. You're in business, Ed. ;)