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gabel8 05-02-2010 06:58 PM

Need serious help...
 
3 Attachment(s)
In my master bathroom, I have a tiled shower. The bathroom is roughly 4 years old. I noticed some of the grout had cracks in it, I don't think the contractor did a good job. I always sealed the grout faithfully. Now I am having a problem where I notice that the drywall is bubbling up. What I'm afraid of is how much water damage is behind the tile. I don't want to get mold/mildew. My question is am I going to have to take the tile down and see what's behind the walls? I am thinking I may have to re-tile the entire shower and possibly replace any framing that got wet. Any suggestions would be great. I attached the pictures below.

windowguy 05-02-2010 10:15 PM

let me understand this picture.. the tub is outside the shower enclosure right? the shower is on the left behind the glass, and the tub is on the right, outside the glass, and the bubbling of the sheetrock is outside the shower.. is that correct?

okay, don't get upset by this.. but it looks like the grout in that corner is very dirty/mildew-ey.. is that correct? how is dirt/mildew getting on that grout in that corner if its NOT in the shower? does that corner accumulate water when you take a bath?

gabel8 05-03-2010 06:14 AM

You are correct on the picture. There is some sort of mildew outside of the shower. We never ever use the bathtub so somehow it is coming from inside the shower. That's my concern because the drywall is bubbling up outside the shower even though that's the only thing we use and not the bathtub.

bernieb 05-03-2010 07:00 AM

One has to consider what the tile is cemented to? and the pictures are great and protray a first class tile job, but again , one must know what is behind the tile. I would contact the builder and see what he has to offer on the history of the installation. If the tile is on plain drywall, your screwed. You may question your family bathing habits, how many baths a day, do you have good ventalation. But it all boils down to is what the tile is adhered to.

gabel8 05-03-2010 07:04 AM

I do know that the tile is adhered to cement board.

bernieb 05-03-2010 07:40 AM

There's a posibility the tile outside the shower door area has just plain drywall as there's a fine line where the carpenter ends his framing lumber, as he knows nothing what the tile man needs. There should have been greenboard used outside of shower, which has a waterproof base of somewhat, but because of unknown reasons, regular drywall may have been used. You may take out your shower door tracks and caulk with a non-hard product.

gabel8 05-03-2010 07:43 AM

What is the best way to tell if there is extensive water damage? I know some of the grout has cracks in it also.

RickyBobby 05-03-2010 12:05 PM

I would definitely start at the door track as was mentioned. There may be water getting in where the wall anchors are. If the track isn't heavily siliconed onto the tile, this could be your issue.

Unfortunately, the only way to tell if there is extensive damage is to get inside the wall for a visual, at least that's how I always did it.

Good luck

bernieb 05-03-2010 03:26 PM

This idea is a piece of cake for someone who's been around for awhile, I'm 72 so I qualify, so here goes........since the owner is worried about structural damage behind the wall and won't be satisfied untill he see's for himself and I don't mean to be bad mouthing the owner, afterall there is a large investment here. Providing you have vinyl siding outside the bath area, you can remove several rows of siding (an old fashion bottle opener works wonders) but do it on a hot day. Then cut a 6 inch by 48 inch in the osb board and see if you have wet insulation or not. You can use can foam to fill your cut gaps on the put back ,and cover with some roll tar paper. If no wet insulation your moisture is getting in from the inside. I'm suspecting the builder used regular drywall in the bathroom proper and should have used green board, but taking into account that cement board was used in the shower area. Condensation from hot water hitting cold tile thats on regular drywall can cause your flaking problem. Also if you have no ceiling damage below bath area, you can forget about structual wood damage behind wall.


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