I Can't In Good Conscious Install This, Can I?

 
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Old 09-04-2017, 06:23 PM   #1
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I Can't In Good Conscious Install This, Can I?


Client picked out a shower floor tile, I sent the order to my rep and it got delivered. I hadn't seen it in person before placing the order. Turns out it's a highly polished porcelain 24x24 tile. I'm thinking way too slippery.
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Old 09-04-2017, 06:28 PM   #2
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Re: I Can't In Good Conscious Install This, Can I?


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Client picked out a shower floor tile, I sent the order to my rep and it got delivered. I hadn't seen it in person before placing the order. Turns out it's a highly polished porcelain 24x24 tile. I'm thinking way too slippery.


That sounds like a recipe for disaster . Traction in shower floors is accomplished by the grout,hence mosaic tile offers the most slip resistance. The tile mentioned will be like a skating rink.

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Old 09-04-2017, 07:07 PM   #3
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Re: I Can't In Good Conscious Install This, Can I?


I'm not even sure I'd want them on the rest of the bathroom.
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Old 09-04-2017, 07:23 PM   #4
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Re: I Can't In Good Conscious Install This, Can I?


Porcelain tile has "Co-Efficient of Friction" rating. It's expressed as a decimal.

For ADA compliance, public walking surfaces need to have a COF of .50 to .90, depending on the location, just to give you an idea of the range.

Below .50 is considered slippery. I've installed quarry tile that had a COF of .95, when wet. Can't slip on that if you tried.

A lot of glazed porcelain will be well below .40.

It might be informative for them to check what the wet COF on that stuff is. Might surprise them.


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Old 09-04-2017, 07:30 PM   #5
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Re: I Can't In Good Conscious Install This, Can I?


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Porcelain tile has "Co-Efficient of Friction" rating. It's expressed as a decimal.

For ADA compliance, public walking surfaces need to have a COF of .50 to .90, depending on the location, just to give you an idea of the range.

Below .50 is considered slippery. I've installed quarry tile that had a COF of .95, when wet. Can't slip on that if you tried.

A lot of glazed porcelain will be well below .40.

It might be informative for them to check what the wet COF on that stuff is. Might surprise them.


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That's very helpful. I find it hard to believe but this says >.6 COF wet and dry. Also lists applications as interior and exterior showers in residential & commercial. Google TCR PPO WH60 and it should come right up.

Maybe we should do a dry (wet) run? Test it barefoot...

For what it's worth the shower has a linear drain and has a 3/16" per foot slope.
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Old 09-04-2017, 07:31 PM   #6
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Re: I Can't In Good Conscious Install This, Can I?


People break their necks in showers all the time. You will be held accountable if that happens.
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Old 09-04-2017, 07:38 PM   #7
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Re: I Can't In Good Conscious Install This, Can I?


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People break their necks in showers all the time. You will be held accountable if that happens.
If I follow code, TCNA guidelines, manufacturers guidelines, and pass inspection?
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Old 09-04-2017, 07:41 PM   #8
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Re: I Can't In Good Conscious Install This, Can I?


Read some interesting newer info from TCNA. There's a new test that makes more sense. The old test is static friction. The new test is dymanic friction. If the COF drops from .6 to .1 once you start slipping, you're screwed.
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Old 09-04-2017, 08:14 PM   #9
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Re: I Can't In Good Conscious Install This, Can I?


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People break their necks in showers all the time. You will be held accountable if that happens.
Not if the supplied the tile and it meets standards.
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Old 09-04-2017, 08:15 PM   #10
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Re: I Can't In Good Conscious Install This, Can I?


The back of most tile boards will give you the pertinent information, but I always pull the spec sheet form the manufacturer.
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Old 09-04-2017, 10:32 PM   #11
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Re: I Can't In Good Conscious Install This, Can I?


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Not if the supplied the tile and it meets standards.
Of course, but if he installs something that doesn't meet the requirements he can kiss his business goodbye in the event of a slip and fall.
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Old 09-04-2017, 10:33 PM   #12
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Re: I Can't In Good Conscious Install This, Can I?


Some days you just cannot win. This was ordered after my strong Caution that it will be dangerous.

900sf, 24x24 polished porcelain, there will be another inlay in front of the door.
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Old 09-04-2017, 11:46 PM   #13
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Re: I Can't In Good Conscious Install This, Can I?


To be honest, I don't lose sleep over fear of lawsuits. But I would lose sleep if someone hurt themselves because of something I did.

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