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Thread: Kerdi board

  1. #16
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default Kerdi Board. Kerdi. Kerdi DS

    Posts removed by John Whipple
    Last edited by johnfrwhipple; 03-15-2014 at 11:02 AM.


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  2. #17
    DIYer, not in the trades LLigetfa's Avatar
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    Quote Originally Posted by johnfrwhipple View Post
    Here is an alarming topic on the John Bridge forum...
    The pictures sure look odd. It looks like there is some sort of paper product and I'm seeing what looks like drywall compound. Do you think there was Kerdi Board there?

  3. #18
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default There is not Kerdi on Kerdi Board

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    Last edited by johnfrwhipple; 03-15-2014 at 11:03 AM.


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  4. #19
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default They use a paper like product to make Kerdi Board

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    Last edited by johnfrwhipple; 03-15-2014 at 11:03 AM.


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  5. #20
    DIY Senior Member dlarrivee's Avatar
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    For anyone trying to keep up, John (W), doesn't like Kerdi.

    He likes some random backerboard (friends with owner/distributor?) called Greeney Board, he like Hilti, and he hates Jim.

  6. #21
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    Quote Originally Posted by dlarrivee View Post
    for anyone trying to keep up, john (w), doesn't like kerdi.

    He likes some random backerboard (friends with owner/distributor?) called greeney board, he like hilti, and he hates jim.
    lol lol lol

  7. #22
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default

    Posts removed by John Whipple
    Last edited by johnfrwhipple; 03-15-2014 at 11:03 AM.


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  8. #23
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    I laughed at what he postsed but i still agree with you Whipple.

  9. #24
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Posts removed by John Whipple
    Last edited by johnfrwhipple; 03-15-2014 at 11:03 AM.


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  10. #25
    DIY Senior Member dlarrivee's Avatar
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    John I don't build showers for a living, you do, why would I argue with you?

    I poke fun to lighten the mood, this isn't a court house.

  11. #26
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Posts removed by John Whipple
    Last edited by johnfrwhipple; 03-15-2014 at 11:03 AM.


    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  12. #27
    Retired Defense Industry Engineer jadnashua's Avatar
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    I've not used nor touched KerdiBoard, so have no input, one way or the other. But, if you read the installation instructions, all seams and joints or penetrations are required to be waterproofed, either by the standard minimum 2" overlap with fabric (band or sheet material) and the penetrations with the gaskets or KerdiFix. Done this way, no water should penetrate, and thus, the problem should go away. Working with any of these materials, good workmanship is the key to success - any system can fail if you do not follow all of the instructions.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  13. #28
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default

    Posts removed by John Whipple
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    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

  14. #29
    Retired Defense Industry Engineer jadnashua's Avatar
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    The tech sheet says ALL penetrations need either one of their seals, or KerdiFix to ensure there is no chance of moisture getting inside of the board. Normal joints/seams require the same thing as Kerdi sheet membrane - a minimum of 2" overlap of material with an unmodified thinset bonding. The inside of the shower/steam room, when using KerdiBoard must be made waterproof and penetrations properly sealed to prevent moisture or vapor from intruding into the system. As I said, I have neither touched nor seen KerdiBoard, and other than the tech sheets, I don't know any more about it.

    For others that may read this, the shower in question is a commercial steam room, likely run many hours a day. From what I read, Schluter is on site trying to help understand what went wrong and how to fix it as any of the quality companies out there typically do when there's an issue if you contact them.

    Let's not come to a conclusion until more is known.

    A typical home steam shower is used probably less than an hour a day, if that, giving the whole thing a chance to dry out if vapor did get places you'd rather not get it. Schluter does not approve of gypsum based backers for commercial steam showers (per their Kerdi shower handbook installation instructions) that are likely to be used much more than that. No membrane is 100% given high steam concentrations, and an inert backer is required when it is likely it will have minimal chance to dry after long-term, continuous high vapor pressure exposures of a commercial operation. For a home, a typical steam shower use probably isn't worse than a typical teenager's long, use all the hot water shower, and for those applications, accepts the use of numerous backer materials since there's typically a large percentage of the day when it is unused and drying.

    One thing to consider, steam can get VERY hot, just like any gas. While there's a limit on how hot liquid water can get unless under pressure, there's no such limitation once it becomes a gas. There's no way to know what temp the steam was in that system that could have been run 24/7, and the steam line ran, uninsulated for the most part, right behind the board. A typical home steam shower, the pipe comes straight into the shower, and doesn't run long distances against the backer , entering at a 90-degree angle with minimal contact with the backer, keeping the run short to maximize the effect and efficiency of the system. A commercial system could be feeding multiple shower rooms, and would likely run hotter and would need to be piped further.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  15. #30
    ACO Shower Drain Sales johnfrwhipple's Avatar
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    Default

    Posts removed by John Whipple
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    jfrwhipple@gmail.com - www-no-curb.com - 604 506 6792

    Always get construction advice double checked by your local city hall. Flood Test Every Shower - Every Time.

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