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Thread: What would be the best rock solid glue/adhesion for this application

  1. #1
    DIY Senior Member DIY's Avatar
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    Default What would be the best rock solid glue/adhesion for this application

    I want to adhere a threshold to flooring tile. The back of the marble threshold is pretty pourous with a rather rough sawn apperance and feel to it. The problem comes in when i adhere that to a fairly smooth flooring ceramic tile face. I have tryed sanding and scuffing up the tile. My thoughts were in the future (rental property) for this client, if the threshold or floor replacing is needed cracked tile etc. I don't want to, or the next person who might have to... use a jack hammer...lol. So, a glue that bonds very well and flexable to.
    Am i asking to much here from technology...lol. Liquid nails? Thanks all!

  2. #2
    Engineer chassis's Avatar
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    Regardless of adhesive, I would roughen the surface of the tile with a grinder or dremel to give the adhesive something to bite into.

    Try a 2-part epoxy, the kind that comes in double-tube syringes at Home Depot/Lowe's. Might need 2 or 3 tubes for a threshhold. Mix and apply according to the instructions.

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    I'm bad to use JB weld to stuff like that... wonder if that would work?

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    If you may want to remove it someday, try using an adhesive caulk like Polyseamseal makes.

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    DIY Senior Member DIY's Avatar
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    Default glue/bond

    Polyseamseal does not work... in this case.That was my initial thinking that would work. Polyseamseal works perfecto when adhering porous type glued and glued to things. I tryed the acrylic and the siloconized polyseamseal no luck with either. It's the smooth type finish on the floor tiles thats a problem...(nothing for any glue to adhere to) Short of taking a belt sander etc. to it... However,another glue called Weldbond deals well with surfaces as the floor tile has i hear...JB weld that may be an option,but I haven't had the best of luck with that glue really either in the past.

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    Plumber Cass's Avatar
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    If you have used silicone anything you will have to sand / rough up the surface as there will be a layer / coating of silicone that will not allow good adhesion of anything.

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    Plumber Cass's Avatar
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    I just remembered there is a new product for gluing wall surrounds to walls it is made by Locktite I believe. They had an ad on TV where they glue a hammer to a ceiling with it.

    I think this will work but you will need to give it time to dry. Check it out.

  8. #8
    Jack of all trades frenchie's Avatar
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    Default marble to tile

    ideally, you'd use thinset mortar, with the latex admix to increase adhesion. I think just about anything else will eventually let go...

  9. #9

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    Epoxy or thinset will work. (not mastic or premixed tset, though).
    But won't save you the jackhammer work if you chg yr mind.
    Last edited by prashster; 01-02-2007 at 07:42 AM.
    (important note: I'm not a pro)

  10. #10
    Homeowner geniescience's Avatar
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    two opposing desires: to remove it without any damage to it or to the tile floor, and secondly, to make it stick the most.

    if you want to be able to remove the marble later without any damage to the surface of the tile, use hot glue. Heat the marble threshold in the oven first. Hot glue will give you enough hardness and support you need so the marble won't crack. My saying this is not a strong recommendation to do this. If you really want to be able to remove it later without harming the surface of the tiled floor underneath, it will allow you to achieve that goal.

    There is always some risk of cracking any threshold; some people wear high heels and place an enormous dynamic load on a single pin point, while other people weigh 350 lbs and also place an extremely high load on a point, if they step on it. Regardless of the type of cement or glue. Obviously Portland cement glues and epoxy cement glues are the best at supporting "tonnes" -- but this doesn't appear to be your main criterion today.

    david

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