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ole christine 06-26-2012 01:02 PM

mudded shower floor
 
my question is how to tile over a mudded shower bed. I have had the shower worked on by 2 different guys who were total jokes at my expense. finally I had to just hire a plumber who had to tear out the floor so now I am trying to do it myself.

I checked a web site on "how to build a shower". Products used were not clearly stated so I asked a few people at the supply store. After the mudding of the floor bed, it does not say what product to use to lay tile.

The shower area is approx 3 x5 with a wood subfloor not sure whether 1/2 or 3/4 . I installed felt tar paper,lath,mud,liner and more mud.

I mixed "quickrete all purpose sand with quikrete concrete mix 4-1 parts.The concrete mix has some small rocks in it (I sifted out the larger ones). Have I used the wrong kind? Should I use the versa bond thin set mortar on top to adhere tile? what should I do? Help!

oh'mike 06-26-2012 09:33 PM

How to build a shower - Building a shower pan with pre-sloped mortar bed, liner and curb.

This link shows one of the most frequently used methods of building a lined mudded base--

Can you show us the work so far?

Or better describe what is complete?

ole christine 06-28-2012 03:25 PM

pics of mudded shower bed
 
Thanks Oh Mike for response...so here are the pics

oh'mike 06-28-2012 04:32 PM

Keep trying--the pictures didn't post--Mike---

JazMan 06-28-2012 10:48 PM

Christine,

That is the wrong mix to use for a shower base, but it might still be ok. How did it turn out? Do you have a nice slope. is it solid?

Jaz

ole christine 06-29-2012 02:34 AM

I'll get a fresh set of brains to get these pics loaded...I keep getting messages of "files to large". Thanks for your patience and eagerness to help.

ole christine 06-29-2012 03:54 PM

its solid and i think the slope is good.it has harden and turned whitish-like cement. I'm not able to post the pictures after trying several times.I just want to make sure the mix will work and what adhesive to use at this point and will the or should I just tear it out again.

ole christine 06-29-2012 04:35 PM

1 Attachment(s)
ok hope this picture comes thru.Attachment 53239

JetSwet 06-29-2012 05:07 PM

You used quickrete so taking back out is limited option I think and is way to porous to lay tile on, Jaz might correct me on that but to me looks like it wasn't fully mixed with a paddle making the lumpy look nor was it floated properly.

JazMan 06-29-2012 06:15 PM

Christine & Jet,

Jet, Quikrete is the name of the company, they makes hundreds of products.

The product we us is Sand Topping Mix http://www.quikrete.com/ProductLines/SandToppingMix.asp - not concrete mix. You actually want the base to be porous, concrete mix can be troweled to a dense smooth almost shiny finish which is not what you want. Sand Topping Mix is mixed very dry and is placed, compacted then shaved to the desired slope.

I know you said it's in there, but I see no evidence of the membrane. Hope you didn't make holes into it when the backer board was installed. I also don't see the seams of the backer having been taped and thin set applied. How come I'm seeing 3" piece in the corners of the back wall?

If you're satisfied with the deck mud Versabond will bond the tiles just fine.

Jaz

JetSwet 06-29-2012 06:31 PM

Quote:

Originally Posted by JazMan
Christine & Jet,

Jet, Quikrete is the name of the company, they makes hundreds of products.

The product we us is Sand Topping Mix http://www.quikrete.com/ProductLines/SandToppingMix.asp - not concrete mix. You actually want the base to be porous, concrete mix can be troweled to a dense smooth almost shiny finish which is not what you want. It is mixed very dry and is placed, compacted then shaved to the desired slope.

I know you said it's in there, but I see no evidence of the membrane. Hope you didn't make holes into it when the backer board was installed. I also don't see the seams of the backer having been taped and thin set applied. How come I'm seeing 3" piece in the corners of the back wall?

If you're satisfied with the deck mud Versabond will bond the tiles just fine.

Jaz

Thanks for clarifying that Jaz so Christine turned the cement into deck mud more or less with out actually using the actual product deck mud?

ole christine 06-30-2012 02:01 AM

Jaz
the membrane is under the mud and tacked approx 6" up to the frame. (don't you just love it that I don't know the correct terms)The green sheet rock board is installed, followed by the cement board. The cement board was not wide enough so I cut it thinking perhaps i could fill in the gaps with some kind silicone?? I was careful to put the screws no lower than 6 inches from the base. Now that the mud is dry, it is not smooth-should i use a lil sand/top mix to create the slope the versa bond for tile??

JazMan 06-30-2012 11:49 AM

Sounds like you did the pre-slope with a 1/4" per ft. slope towards the drain, right? Then installed the shower membrane being careful not to fasten and therefore puncture it. There should not be any fasteners below 3" above the finished level of the curb. (Oh well) How is the curb built? If built with lath and mortar mix, make sure the fasteners are only on the outside of the curb, not the top or inside. If the curb is made from backer board you must apply a waterproofing liquid membrane over the top. All seams of the backer need the special fiberglass mesh tape & thin set to give you a monolithic base. Do not use silicone. If it smears on the board, thin set will not stick so good.

Green board on the studs with cement board over it is not the way to do this. But may be too late now. Why not apply the liquid membrane over the walls too? At least 2 coats should do. Did you install tarpaper or plastic on the studs? Hope not.

Quote:

Now that the mud is dry, it is not smooth-should i use a lil sand/top mix to create the slope the versa bond for tile??
No topping mix, don't you have the proper slope already? You should a had the slope with the pre-slope. You can tweak the deck mud a lil bit with thin set.

Got any pics of the construction process?

Jaz

ole christine 06-30-2012 10:22 PM

Attachment 53281

Attachment 53282

JazMan 07-01-2012 12:51 PM

Neither attachment worked for me.

Jaz


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