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Old 01-22-2014, 07:01 PM   #1
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Shower weight concerns...second floor


Hello everyone, this is my first post but have been searching around the board for the last few months and have found a lot of great advice. I haven't been able to find a definite answer regarding my question so here it goes.

I am remodeling my second floor master bath and am having some concerns about the weight of my new shower. The bath is 13x13 and will have a 4'x7' shower with the walls tiled to the ceiling 8'. The shower will sit on one outside wall and the rest is over the kitchen. Total square footage for the tiled area for the shower walls is approx 152sqft. With my figures the tile is 3.18 lbs/sqft or 483.36lbs, durock at 2.41 lbs/sqft or 373.92 lbs then about 70lbs of mortar and another 70lbs of floor tile. Grand total of jut about 1002lbs.

Is this too much weight for the second floor or am I okay? I figured people do this all the time but it just seems like a whole lot of weight.

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Old 01-22-2014, 07:10 PM   #2
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Shower weight concerns...second floor


Tell us about the floor structure--how old is the house---what kind of floor joists---what size? 2x10--2x12--??

Spacing?

what is the unsupported length--outside wall to load bearing wall or beam---

Someone will check the chart and let you know how strong the structure--

I am guessing you are fine---

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Old 01-22-2014, 07:13 PM   #3
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Shower weight concerns...second floor


These are trusses built out of 2x4's spaced 24o.c and the trusses are 14" deep and the unsupported span is 14'.
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Old 01-22-2014, 07:18 PM   #4
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Shower weight concerns...second floor


That stinks---I'll see if I can find those on a chart---We have several structural engineers here--If I can't find the deflection--someone else will---
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Old 01-22-2014, 07:33 PM   #5
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Shower weight concerns...second floor


The deflection should meet l360 but not sure and not really sure how that transitions to weight and loads. Oh and the house was built in 2007

Last edited by djmessina1; 01-22-2014 at 07:36 PM.
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Old 01-22-2014, 08:03 PM   #6
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Shower weight concerns...second floor


100% sure there trusses and not engineered floor joist?
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Old 01-22-2014, 09:36 PM   #7
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Shower weight concerns...second floor


Quote:
Originally Posted by joecaption View Post
100% sure there trusses and not engineered floor joist?
How do you tell the difference?
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Old 01-22-2014, 10:01 PM   #8
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Shower weight concerns...second floor


Truss floor joist.
http://www.bing.com/images/search?q=...electedIndex=0
Engineered floor joist.
http://www.bing.com/images/search?q=...electedIndex=4

Big difference in the width of the 2X's on the top and bottom of these.
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Old 01-22-2014, 10:17 PM   #9
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Shower weight concerns...second floor


Quote:
Originally Posted by joecaption View Post
Truss floor joist.
http://www.bing.com/images/search?q=...electedIndex=0
Engineered floor joist.
http://www.bing.com/images/search?q=...electedIndex=4

Big difference in the width of the 2X's on the top and bottom of these.
They are 2x4's turned on their edge with cross support, all 2x4's held together with metal plates.

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Old 01-22-2014, 11:36 PM   #10
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Shower weight concerns...second floor


Use WEDI or KERDI for your wallboard. With a shower only 4'X7' deflection won't be an issue especially if at least one outside wall is involved. Use a Schluter Shower Tray for the floor slope. You'll be fine. You are way over-thinking this one. Trusses or engineered floor joists won't matter in this case. Go for it.

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