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Old 07-28-2010, 04:33 PM   #1
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Tile over small concrete front porch.


I have tiled two moderately sized bathrooms and a foyer before but would now like to tile my outdoor front porch. It's not large (about 10 x 6') and there are only minor surface cracks. My concern is that winters in Michigan can be harsh! Any suggestions for the best type of tile, adhesive, grout and sealer I could use? Also, is there a product would be best for the edge of the outermost exposed portion (one side)? Will look forward to your input

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Old 07-28-2010, 05:34 PM   #2
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Tile over small concrete front porch.


You need an impervious tile--meaning that it has almost no ability to absorb moisture--Porcelain tile is impervious, Be sure to choose a tile that has a matching bull nose for the step (and buy some extras--the stair edge is easily damaged--good to have a spare)

prep the concrete with a muriatic acid wash--easy to find--read the directions.

I would use an unmodified thinset with a liquid latex additive--although modified thinset would probably work--the extra grip of the liquid is my choice.

I like epoxy grouts--but the regular grouts will be fine if the added cost is not in the budget.

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Old 07-29-2010, 04:39 PM   #3
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Tile over small concrete front porch.


Let me add that before you consider tiling outdoor in our kind of weather you also make sure the slab is sloped adequately. The minimum is 1/4" per ft. but 3/8" would be better. I'll bet your porch does not have that much pitch. I've never seen it poured with enough pitch unless it was spec'd for tile in the beginning. The water needs to run off in the daytime before it freezes again at night.

I would also recommend using Ditra to uncouple the tile work from the slab and the cracks. Otherwise those minor surface cracks may result in minor tile cracks and loose tiles.

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Old 08-02-2010, 06:27 PM   #4
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Tile over small concrete front porch.


Quote:
I would use an unmodified thinset with a liquid latex additive
I'll second that notion. That procedure is your better bet for the price. I will also go as far as to suggest Mapei Kerabond thinset and using their Keralastic additive.
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