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Unread 04-18-2010, 03:27 AM   #1
rollandelliott
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$6 bag of Mortar + $5 gallon latex paint =$20 modified mortar?

$6 bag of Mortar + $5 gallon latex paint =$20 modified mortar?

My friend swears that instead of buying the $20 bag of modified mortar at lowes that if I simply mix a gallon of interior latex paint with the $6 bag of mortar and a little bit of water it is the same thing.

Anyone try this? I got a bunch of left over paint from a job.
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Unread 04-18-2010, 04:40 AM   #2
jondon
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Rolland,

Personally I leave the thinset making to the companies like Laticrete who do it for a living and have many years perfecting it. Why try to make it yourself when you can buy it already to go?
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Unread 04-18-2010, 06:11 AM   #3
gueuzeman
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Faux finish for your non-tile sheetrock walls.

Read the fine print- $6 a bag thinset is not good for much besides filler between your cementboard and the floor, the investment in tile and labor you will make is so much greater than what you will spend to buy a proper thinset. It's a big risk, and if you're willing to eat the job, possibly(probably), go for it.

Now excuse me, I need to go down in the basement and distill my own gasoline from some old paint thinner and some lawn fertilizer........

.
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Unread 04-18-2010, 07:18 AM   #4
Shaughnn
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Rolland,
I believe that your friend must be making a joke. Is this a friend with some chemistry background or a friend with some chemicals in his background?
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Unread 04-18-2010, 07:55 AM   #5
tilejoe
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I'll admit it, I have had this exact same thought...never would I do such a thing though.
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Unread 04-18-2010, 08:01 AM   #6
cx
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Tell your Frankengueze-minded friend that you've decided you'd do a lot better adding some Elmer's White Glue to your sack of thinset mortar along with a little water.

Then y'all can have you a mortar-off, competing in various applications.

You'll win.

Well, so long as he don't run in no sure-nuff facory-modified mortars or manufacturer-recommended additive in place of his glue, of course.

Bet a lotta money on this. Share the proceeds with us.
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Unread 04-18-2010, 08:34 AM   #7
Saldibs
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Did he tell you this on April 1st?

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Unread 04-18-2010, 08:42 AM   #8
Davy
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" Is this a friend with some chemistry background or a friend with some chemicals in his background? " Good one Shaughnn.

I do remember old timers adding Elmers glue like CX said. Although, I would leave it to the experts who have perfected it.
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Unread 04-18-2010, 09:04 AM   #9
HS345
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It's not just the latex which sets the more expensive thinsets apart from the cheap ones, it's the Portland Cement content as well.

Leave the thinset chemistry to the experts.
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Unread 04-18-2010, 09:07 AM   #10
jerrymlr1
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Quote:
Now excuse me, I need to go down in the basement and distill my own gasoline from some old paint thinner and some lawn fertilizer........
Way too funny. I laughed out loud after reading that one.
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Unread 04-18-2010, 10:11 AM   #11
Rkeister
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maybe he needs to shop around for his mortars.

If there are any tile shops in the area, he should be able to get better than 20$/bag. We sell grey sturdiflex for 12$ a bag.
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Unread 04-18-2010, 01:06 PM   #12
rollandelliott
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ok what's the difference

ok, what's the difference between a $5 bag of unmodified mortar that takes 24hrs to set vs $13 bag modified that takes 24hs to set vs
$21 bag that takes 3 hours to set
I'm tiling a basement with concrete floors if that helps.

I guess what I'm asking is a totally newbie question but can I get away with the $5 bag for my application.
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Unread 04-18-2010, 01:11 PM   #13
HS345
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I guess what I'm asking is a totally newbie question but can I get away with the $5 bag for my application.
No.
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Unread 04-18-2010, 01:17 PM   #14
Splinter
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The portland cement content of those $5 thinsets is pretty low... We dont recommend their use for anything but bedding some cement board, or yard bunnies.

There's many different types of modified, but something widely available like Versabond has an acceptable amount of portland in the mix, and the latex additive helps it stick better and cure properly.

The expensive quickset is expensive because it sets quick.
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Unread 04-18-2010, 01:37 PM   #15
dhagin
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Hi Roland,

That wheels already been invented. You're trying to make a better wheel...

...with a chemistry degree or 2, i'd say you have a fair chance after many failures and much money spent. Without the degrees, i'd say you have a very poor chance, after many more failures and much more money spent.
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