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HVGZ
Dripping Shower/Concrete Shower Pan/
HVGZ

Hi. We were having a frequent drip show up on our stairs from the master shower above. The tiled floor of the shower (over concrete pan) had mildew in the corner, so I cleaned out the corner and found water between the tile and shower pan membrane. I initially poured water down the drain and I did the "cover the drain and see if the water level changes test". Neither were conclusive. I pulled out the lower rows of tile and water came out. I also took up the showers tile floor. We've been just ignoring the shower fix for awhile, but today, I realize that if I hold a bucket under the shower and run it, a dark damp patch appears and grows on the concrete. I also opened a hole in the wall of the bedroom and the vertical pipes are not leaking. Did I mention that SO what is happening? It's obviously with a pipe, but what pipe? Do I have to take out this concrete shower pan? Thanks.

dj1
Re: Dripping Shower/Concrete Shower Pan/
dj1

Sounds to me like you need a new shower pan. A patch job won't be good enough.

HVGZ
Re: Dripping Shower/Concrete Shower Pan/
HVGZ

I agree. What I'm wondering about is the plumbing. If it's turning wet when the water is turned on (with bucket underneath the shower, of course) and not getting wet from the water draining out, what is the plumbing problem?

dj1
Re: Dripping Shower/Concrete Shower Pan/
dj1

Without looking at what you have, I suspect that water is seeping around the drain.

A good drain is a drain that collects the water into the drain, and if the drain pipe is not leaking, then you have a perfect operation. In your case, some water may be bypassing the drain on its way down.

Again, you need 2 or 3 plumbers to look at your shower, give you their opinions and offer their plans to fix it.

A. Spruce
Re: Dripping Shower/Concrete Shower Pan/
A. Spruce

Sounds like a failed pan. Nobody is going to be able to inspect what they can't see, so unfortunately, you are likely to find yourself in the position that exploratory surgery is necessary to determine the exact source. Here's the thing, once the surgery happens, you're all in at that point and have little choice but to complete the repair, which will be a total tear out of the shower walls and pan, replace the drain neck, replace the shower and pan with new. A slightly less expensive alternative will be to use a preformed pan, rather than a framed and tiled curb, but the difference between all tile and the preformed pan really isn't all that much, particularly if you prefer tile.

bill
Re: Dripping Shower/Concrete Shower Pan/
bill
A. Spruce wrote:

Sounds like a failed pan. Nobody is going to be able to inspect what they can't see, so unfortunately, you are likely to find yourself in the position that exploratory surgery is necessary to determine the exact source. Here's the thing, once the surgery happens, you're all in at that point and have little choice but to complete the repair, which will be a total tear out of the shower walls and pan, replace the drain neck, replace the shower and pan with new. A slightly less expensive alternative will be to use a preformed pan, rather than a framed and tiled curb, but the difference between all tile and the preformed pan really isn't all that much, particularly if you prefer tile.

I could not agree more

Bill

HoustonRemodeler
Re: Dripping Shower/Concrete Shower Pan/
HoustonRemodeler

Agreed with the above statements, its time for a new shower.

Head on over to the John Bridge Tile Forum. do some research in the library on the JBF and pick a waterproofing method you prefer. Our favorites are surface applied membranes such as Kerdi, Hydroban, Aqua Defence or the new USG waterproof board (not the old MR board)

Sombreuil_mongrel
Re: Dripping Shower/Concrete Shower Pan/
Sombreuil_mongrel
HoustonRemodeler wrote:

Agreed with the above statements, its time for a new shower.

Head on over to the John Bridge Tile Forum. do some research in the library on the JBF and pick a waterproofing method you prefer. Our favorites are surface applied membranes such as Kerdi, Hydroban, Aqua Defence or the new USG waterproof board (not the old MR board)

And don't forget the pre-slope! (a layer of mortar that is applied and carefully shaped under the membrane/liner that directs any fugitive water into the weepholes of the drain). Or pay the going rate for the Schluter shower pan system.
Casey

dj1
Re: Dripping Shower/Concrete Shower Pan/
dj1
HoustonRemodeler wrote:

Agreed with the above statements, its time for a new shower.

Head on over to the John Bridge Tile Forum. do some research in the library on the JBF and pick a waterproofing method you prefer. Our favorites are surface applied membranes such as Kerdi, Hydroban, Aqua Defence or the new USG waterproof board (not the old MR board)

Hey Houston, good to see you're back. Were you down in Cancun by any chance?

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