Building Homes or Extensions/Bathroom Remodeling

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Expert: Ted Barnhill (Principal, Design45 LLC) - 11/18/2008


Question
We are remodeling two upstairs bedrooms into a master suite. My question is about the tub's load on the joists. We intend to put the tub perpendicular to 2x10 joists, 16" OC that span 12' from outside wall to interior bearing wall. The tub's filled weight will be 553 lbs with a floor loading of 44 lbs/square foot.

Will the joist be suitable for the tub?

Answer
Joe,

Your joists are larger than they need to be for your span, and the modest tub that you describe should be no problem.  As always, it would be wise to have an experienced professional look at your situation to determine if there are any other factors that you may have missed, such as roof loads, point loads, or poor condition of existing joists.  However, on the face of it, you appear to have no problem.  Good luck with your remodeling project.  -Ted

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Ted Barnhill (Principal, Design45 LLC)

Expertise

I can answer questions about architectural design, how to work with a designer, and best construction practices for most trades. I specialize in cold-climate design (I'm in Minnesota), older home renovation, and energy-efficient/sustainable design.

Experience

As a Principal of Design45, I design and detail new homes and remodels. I am formally trained in architecture, but have also been a contractor and have experience with many trades. I strive to provide beautiful, durable, and efficient homes for clients and communities of all types and budgets.

Education/Credentials
Undergraduate work at Princeton University (Mathematics), Master's work at the University of Minnesota (Architecture)

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