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-   -   New bathtub creaks when standing in it (http://www.diychatroom.com/f7/new-bathtub-creaks-when-standing-175971/)

Arsinek 03-31-2013 02:41 PM

New bathtub creaks when standing in it
 
This is a tub with styrofoam base. It only does it when you step on the back end. I noticed the stringer I put for the back doesnt make contact with the tub but Im not sure if I was supposed to put a stringer for the back anyway. Its a steel tub. With tubs with styrofoam are you not supposed to use any mortar to place them in?

jagans 03-31-2013 04:24 PM

By stringer do you mean a ledger strip for support? Did the installation instructions call for Mortar?

oh'mike 03-31-2013 04:28 PM

I use mortar--instructions or not---

Arsinek 03-31-2013 04:29 PM

Quote:

Originally Posted by jagans (Post 1149795)
By stringer do you mean a ledger strip for support? Did the installation instructions call for Mortar?

Ya, the support thing, instructions say stringer. Heres the instructions, not much to them..... http://www.bootz.com/sites/default/f...0for%20Web.pdf

Arsinek 03-31-2013 04:29 PM

Quote:

Originally Posted by oh'mike (Post 1149798)
I use mortar--instructions or not---

Even if its steel with styrofoam base?

oh'mike 03-31-2013 05:22 PM

Yep---I would have---just a thin bed--enough to make sure there is full contact.

Mainly I use cast iron tubs---these steel tubs are flexible---so the cast iron is worth the extra expense to avoid problems like this.

Arsinek 03-31-2013 06:57 PM

Quote:

Originally Posted by oh'mike (Post 1149827)
Yep---I would have---just a thin bed--enough to make sure there is full contact.

Mainly I use cast iron tubs---these steel tubs are flexible---so the cast iron is worth the extra expense to avoid problems like this.

Is the tub supposed to make contact with the stringer, resting on it, or is it supposed to be right above it?

oh'mike 03-31-2013 07:11 PM

It rests on the stringer----some times they must be notched to clear some obstruction on the tub---

Ghostmaker 03-31-2013 07:16 PM

Pull it out put a stringer in as instructed. Also do not forget the roofing nails above the tub lip.

Javiles 03-31-2013 11:15 PM

Hope you put something between that tub and Morter.

plumbthat 04-03-2013 05:44 PM

Sand
 
Sand will also act as a base and easily done

jaydevries 04-03-2013 05:51 PM

when i first started we would use sand but we found out long term if tub flexes it will disperse sand to different location and then you still end up with stress cracks
mortar all the way unless it is full ridgidized foam bottom and floor is level then a few tubes of silicone between to prevent squeaking


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