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Posted by Art on November 29, 2006, 3:43 pm
>
> Art wrote:
>> We are currently remodeling our master bath and most everything is ripped
>> out down to the studs and subfloor. There is a medium size Jacuzzi in
>> there
>> against the outside wall with a frame around it that is about 21 inches
>> off
>> the floor. It is cantilevered out about 2 feet beyond the foundation.
>> Underneath the bathroom there is a finished basement with a removable
>> suspended ceiling. The suspended ceiling is 2 feet below the floor
>> joists.
>> We haven't signed a contract for the rebuilding of the bath yet (I paid a
>> mason that I know well to rip out the crappy builder grade tile and mud
>> job). Last night I was thinking it would be cool to lower the Jacuzzi 10
>> inches into the floor. The joists holding it up are boxed out so we are
>> not
>> talking about something close to impossible. Obviously I would have to
>> have
>> an engineer look at it but I've come up with 2 ideas and I wanted to
>> bounce
>> them off the brilliant minds in this group. The easier idea would be to
>> replace the wood joist box holding up the jacuzzi with a steel framework.
>> So instead of 10 inch joists holding it up, maybe I could get away with 3
>> inch L or U channel welded framework. That way I could lower the Jacuzzi
>> 7
>> inches. Another method would be to saw out the concrete wall and
>> increase
>> the depth of the cantilever so the Jacuzzi sits lower into the concrete
>> wall. The mason I use has the equipment and skill to do this. With his
>> diamond blade chain saw, he would have the cut done in a few hours.
>> Combining both ideas, I could actually get the Jacuzzi down to almost
>> floor
>> level. Was wondering what you guys thought of my ideas? Thanks.
>
> Art-
>
> I'm not sure I fully understand the "cantilever" nature of the
> installation but by a "back of the envelope calc" a heavy 3" channel
> would be less stiff than a 2x10....a 3" jr I beam would closer to what
> you need
>
> If you've got 2' below the floor joists, why not just drop the
> flooring support system in the area of the tub? Of course the drop
> would have to occur at the point where the current joists are
> supported.....foundation wall or beam in the basement?
>
> Hard to give a great answer from here but if you've got room to work
> (sounds like you do) it should be easy.
>
> An engineer should be able to eyeball this situation, do some calcs &
> give you a sketch for a reasoanble fee. Don't what that tub in
> basement :)
>
> cheers
> Bob
Thank you for the advice. The masterbath has a cantilevered portion the
length of the jacuzzi and a foot of the jacuzzi overhangs the foundation
wall. It would be nice not to have to cut the foundation wall to lower the
jacuzzi. That is why I would like to use narrow steel beams to hold it
instead of 10 inch joists. That would lower the jacuzzi 7 inches. Thinking
about it further, I will probably have insulation problems in the box
overhanging the foundation if I try this.
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