Flooring Tile - tile outside

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gussy
03-06-08, 08:58 PM
We plan on tiling a covered patio. It is not enclosed but is covered. the only signinficant drainage 'pattern' to it is that the last 6 inches on the outer edge have a larger downhill drop but it is a pretty consistent line. we plan on making that a grout line and then no tile will lay across it. We live in area were temperatures may get down to 30 degrees two nights out of the year. We have been told we should use porcelin or slate. Any advise on which is better? also the concrete has a very smooth finish, does this need to be etched before thinset will adhere?
Of note this elevated at least 12 inches above another slab (pool) so there is no risk of ground water, just rainwater at the edge and poolwater.


Bud Cline
03-06-08, 09:05 PM
We live in area were temperatures may get down to 30 degrees two nights out of the year

Sounds like my kinda place.:)

Porcelain would be the better choice of the two I think. The slate is nice but depending on what slate you would use it will/could shed wafers periodically.

gussy
03-07-08, 11:53 AM
Our trade off for weather like that is hurricanes. That is what is causing us to replace so many floors.

We had heard that about slate, but you can get porcelin that has color all thru in case there is a chip? It is an outdoor area that will take some abuse, near a pool, think patio furniture. Any special thinset for a place like that?


Bud Cline
03-07-08, 01:46 PM
Slate could mar and scratch and flake when under patio furniture. Porcelain would be less likely to do so but most patio furniture is hard on any floor surface.

You would use a modified thinset mortar suitable for outdoor use and there are plenty of them to choose from.

FYI: When I woke up this morning the temperature outside was "0" and the windchill was 22 degrees below zero. I think I would take the occasional hurricanes.:)

gussy
03-10-08, 12:21 PM
thanks for the info. We just stupidly flew into the blizzard in Ohio. I now remember why I left. Motivates me more to finish this patio so I can enjoy the outdoors more than 3 months out of the year.

Bud Cline
03-10-08, 01:43 PM
Amen!!! Amen!!!







Forty-two and sunny here today - I may have a heat stroke!:)