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Posted by ransley on May 23, 2008, 11:45 am
On May 20, 9:20=A0pm, cdmaris...@gmail.com wrote:
> Hello Everyone
>
> I have a question i'm hoping you all can help me with. =A0i have a large
> terrace/pool area which is about 2000 sf. =A0right now, i have about 20
> year old porcelain tile on there. it was well put and it has not
> cracked but it's just old and ugly. we've tried cleaning it and
> sealing it, but it's just really ugly, old and grey. =A0so we've been
> shopping around the last few months and found a great deal on about
> 2500 sf of new outdoor non-slip 18x18 porcelain tile. =A0so now my issue
> is, how to install? =A0i've had about 5 installers come out and everyone
> gives me a different opinion:
>
> 1) first guy said he's lay it right on top of the current tile w
> "multi bond" and it would be just fine.
> 2) guy # 2 said we had to pull out all of the old tile that is there
> now bc the new tile will just come off in a few months or in a year if
> you lay it right on top of what is there. he says there is no way
> porcelain tile will absorb any thin set or bonding and that it will
> just start coming off, especially since it's outside and with the
> change in weather. =A0i live in north florida, and it gets really hot,
> and in the winter it gets cold.
> 3) guy #3 said he would simple scratch it up with some tool so that it
> will absorb. no need to pull it all off. =A0it's hard messy job to pull
> everything out and they want to do that just to charge more. he just
> scratches the bottom tile up really good and puts plenty of bonding
> and thin set on it and it should last another 20 years.
> 4) 4th guy said he uses this special new material called "PORCELAIN
> SET" and it the best. it's $14 a bag but this stuff will bond
> porcelain better than anything else, no need to scratch anything.
> before you think he wants to scam me, he doesn't sell it. =A0they
> actually sell it in the store where i bought the tile. he says most
> folks just want to buy the regular multibond product they sell in home
> depot that's $6 a bag. but he says that he's noticed that this
> particular product that they sell in the specialty floor stores works
> really well.
> 5) last guy said the PORCELAIN SET stuff is just an excuse for you to
> pay more $ for bonding. he insists that regular multipurpose thin set
> and bonding will be just fine. =A0he says it all depends on what is
> there now. =A0since what is there now is in good shape and is not
> cracking or coming up, then laying new tile on top should be no
> problem. If we scratch it up and put in regular thin set and bonding,
> we should be just fine for at least another 12-14 years.
>
> So you see, i've gotten a different story from everyone. =A0they all add
> on another $1 a foot for pulling it out and charge about $1.75 to $2
> to install it. =A0so if i can save 2K and not have to pull it out, that
> would be the best. =A0i'm 5 months pregnant, so this isn't the kind of
> job i can do myself right now. i need to find a good contractor at a
> decent price. =A0i just want to know what you all think is the safest
> way to go. =A0this is a big investment and i want it to last me a long
> time. i don't want it falling apart in a year. but on the other hard,
> i don't want to go crazy and pull out 2000 sf of tile when it's
> possible there are alternatives.
>
> any ideas? =A0thanks very much!!
Did any offer a guarntee, you should get one either way, Im no tile
pro but there is a diamond blade gouging 1000.00$ tool from Porter
Cable I saw years ago made to gouge so concrete bonds, I would look
into that , im sure some pros have them. I would not just go over it
without a 10 yr warranty , and nobody said to acid etch?
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