grout joints

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  #1  
Old 01-27-02, 07:52 AM
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grout joints

When laying ceramic tile tight (no apparent seams) what is the 'trick' to achieving a water tight seam?

I have always used the 1/4" spacers in the past, which provides ample space to properly apply the grout.

However, I anticipate that w/o the spacers, with the adjacent tile butted up against, forcing grout will not be easy?

Is the solution to apply the adhesive on the edges of the tile too, and not use grout?

Thanks!
 
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  #2  
Old 01-27-02, 12:43 PM
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Hi
You have to use grout....there's no way around it. If you push the tile tight againts each other..and there is a little movement in the floor..the edges touching may chip the tile. Leave a joint...if you want it small, you can use wall grout(without sand) to fill them.
 
  #3  
Old 01-28-02, 06:02 AM
Dave Gobis
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Size variation is a part of ceramic tile. If you butt them you need rectified tile. As the other poster pointed out, any deflection is an invitation to failure. In any event, you will never achive a waterproof floor using that type of installation. Waterproofing a floor requires a membrane.
 
  #4  
Old 01-30-02, 12:04 PM
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These people have the right answers for the grouting. You have to leave space for grout.

If you want a watertight seal you will have to put a piece of material on the subfloor to seal it. Also do not forget you can seal grout and tile with chemical sealers. There are some great ones at your local home store that do not leave a haze on the tile when it dries. Be careful and pick one that says it will not leave a haze.

You will have to seal this often (depending where it is) showers - at least once per year. Kitchen floors or high traffic floors - at least every other year. Countertops - at least every year, but every six months is better.

Good luck
 
  #5  
Old 01-31-02, 09:27 AM
Dave Gobis
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The better silox and siloxane based sealers only require application every 5 to 7 years though they advertise 10 or more. Still, as noted, no replacement for waterproofing.
 
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