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-   -   Acrylic bath tub install (http://www.diychatroom.com/f19/acrylic-bath-tub-install-174646/)

Mudkicker 03-15-2013 11:47 PM

Acrylic bath tub install
 
My tub squeaks. I noticed that when the shady handyman was installing the tub that there was a lip all around the tub that would rest up against the wooden wall studs. Was he supposed to secure the tub by driving screws through the bath tub lip and into the studs before installing the drywall? He did not set the tub on mortar either.

oh'mike 03-16-2013 06:54 AM

It looks like you know the cause of the problem----

Do you have any ideas to cure it?--You need to get grout, mud or foam under the bottom. Any ideas?

Mudkicker 03-16-2013 09:07 AM

Quote:

Originally Posted by oh'mike (Post 1138366)
It looks like you know the cause of the problem----

Do you have any ideas to cure it?--You need to get grout, mud or foam under the bottom. Any ideas?

I am still unsure if the tub needed to be secured by driving screws through the tub lip and into the wall studs. Is that an acceptable method? If yes, I am thinking of removing the bottom row of tiles, a few inches of drywall to expose the tub lip and proceed to drive screws into the wall studs. I want to try this before injecting foam underneath.

oh'mike 03-16-2013 09:15 AM

That might work, However,it's pulling the flange down because the base is not supported---
the flange might just crack at the screws---
flange is not designed to hold up the weight of the filled tub---
it is to keep the tub against the wall---

jagans 03-16-2013 09:16 AM

I would not do what you plan. You will probably end up cracking your tub, and causing leaks, where you cut out the backer board. I would foam from below with high density foam, and see how that works.

Mudkicker 03-16-2013 09:33 AM

Quote:

Originally Posted by jagans (Post 1138426)
I would not do what you plan. You will probably end up cracking your tub, and causing leaks, where you cut out the backer board. I would foam from below with high density foam, and see how that works.

What makes me nervous about the foam is that i only have access from the drain side which is the deep end. I dont have a lot of visibility to the other end of the tub so i will be spraying blind.

oh'mike 03-16-2013 09:51 AM

Fixing a mistake like that is a pain---

Consider buying a roll of stiff plastic tubing the size of the foam spout,

No access to the floor from underneath?

Mudkicker 03-16-2013 09:58 AM

Quote:

Originally Posted by oh'mike (Post 1138444)
Fixing a mistake like that is a pain---

Consider buying a roll of stiff plastic tubing the size of the foam spout,

No access to the floor from underneath?

The garage is directly underneath. The ceiling is finished with drywall and a solid inch of what seems to be stucco on top of the drywall. I will post some pictures of my access.

DannyT 03-16-2013 12:22 PM

if this is a tub with a shower there should not be any drywall behind the tile it should have been cement board unless the wall is waterproofed with kerdi.

framer52 03-16-2013 12:50 PM

Take this for what it is worth.

first, not all tubs require any base other than the one that comes with it. that means to correct this, I would check the manufacturers install procedure.

Most likely, you will only need to do as you suggested.

My experience with these tubs is that they are made to be installed without mud base of any kind.

Mudkicker 03-16-2013 01:09 PM

Quote:

Originally Posted by DannyT (Post 1138536)
if this is a tub with a shower there should not be any drywall behind the tile it should have been cement board unless the wall is waterproofed with kerdi.

It was green colored drywall, supposed to he waterproof.

framer52 03-16-2013 01:18 PM

Quote:

Originally Posted by Mudkicker (Post 1138562)
It was green colored drywall, supposed to he waterproof.

It is water resistant, big difference.

Alan 03-16-2013 01:30 PM

Big question : Is it a tub only, or a tub/shower?


If it's a tub only and that is a tiling flange, he should not have compromised it by driving screws through it.

Mudkicker 03-16-2013 01:31 PM

Manual clearly states to drill holes into the tiling flange and fasten to wall studs with screws. I know for a fact that this was not done. The play to my tub is not up and down, it is side to side, not much but enough to cause a squeak and comprimise the silicone seal. I am confident that securing the tub via tiling flange will solve the problem.

Mudkicker 03-16-2013 01:46 PM

Quote:

Originally Posted by Alan (Post 1138567)
Big question : Is it a tub only, or a tub/shower?


If it's a tub only and that is a tiling flange, he should not have compromised it by driving screws through it.

It is a bath tub with a shower. Why would the fact that there is a shower cause a problem with driving screws through the tiling flange? There will be drywall and ceramic tile covering the flange.


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