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Old 04-09-2009, 11:09 AM   #16
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Help: Installing Faux stone over interior concrete surface


Excellent

Thanks again...Ok..I think that will conclude my endless questions.

Thanks all for the feedback..def learned some new stuff...

Peace

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Old 04-09-2009, 12:56 PM   #17
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Help: Installing Faux stone over interior concrete surface


TS...after I replied to your post, I got a email from the Lone Star Stone company stating

"I prefer the type n it has a little bit more workability. Thinset is primarily used for tile applications i wouldnt use it."


I know you prefer the thin-set..and I gave them the prep surface, so they know it is a clean concrete surface. Just wondering...then again you said you have used thin-set many times with great success. Plus the Thin-Set bag did mention that could be used for stones..so maybe I am overthinking
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Old 04-09-2009, 02:51 PM   #18
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Help: Installing Faux stone over interior concrete surface


For jointed stone, Type N is OK. The mortar has more body, and done correctly, the joints provide a key to help hold the stones in place. On stacked stone, there is no place for excess mortar to "squeeze out", and no keying action from the joint, so the excess "body" is not needed. Type N is a compressive strength designation (750 PSI). As a rule, bond strength (The primary property of the mortar that matters for faux stone) increases with the compressive strength of the mortar. That is why most manufacturers recommend Type S (1800 PSI). Thinset is overkill for most applications, it is more expensive, and can make a one step process into a 2 step process (for jointed stones). I prefer it none the less.
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Old 04-13-2009, 09:06 PM   #19
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Help: Installing Faux stone over interior concrete surface


Walaaaa !

Def worth it...really added a nice look to the basement.

Thanks for all the tips fellas. Wasn't that bad to do..a few hiccups, but I am pleased with the result.
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Old 05-27-2009, 04:17 PM   #20
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Help: Installing Faux stone over interior concrete surface


Nice one! Did you end up using the metal lath or just the thinset? If thinset which of the two types did you end up going with? Hows it looking a month later? Anything fall off?
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Old 05-31-2009, 06:10 PM   #21
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Help: Installing Faux stone over interior concrete surface


Sorry for the late reply. It's been a few weeks since I checked the forum.

To answer your question:

I used Faux stone veneer and just put them up directly on the masonary wall using thinset as mentioned in this thread by some of the forum members. No metal lathe/scratch coat. Just buttered up the stones and popped them in. To be honest, it was quite an easy project, just took some time putting them up as I had cuts to do and played witht he pattern a few times. Nothing has fallen off or is loose. These stones were the dry stack variety, so grout application was not applicable.

I highly recommend faux stone to dress up a wall.

The thinset I used was Laticrete Grey Multi purpose 253 Gold thin-set Mortar. I had left over bags from my floor tile projects in the past, so I just used that
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Old 12-28-2009, 12:42 AM   #22
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Help: Installing Faux stone over interior concrete surface


A little architectural stone installation info from a carpenter/GC.

First, all you need is a masonry surface to apply the stone to. If you have a cmu block wall then you don't need a scratch coat or lathe plus scratch coat. If you have anything else, i.e. sheetrock, plywood, or other non-masonry then you wil have to apply a 15 lb felt paper vapor barrier, then nail diamond lathe 6" OC,making sure the galvanized roofing nails penetrate the studs at least one inch, then scratch coat with pre-mixed veneer stone mortar. The stucco coat should be raked or scratched after it is floated so that the mortared stone can key into the stucco coat.

To install the stone you will need a 3/8 pointing tool, a 1/2 pointing tool, a small pointed trowel, a large pointed trowel, a stiff masonry brush, a grout bag (if you are grouting), an angle grinder outfitted with a 4" masonry wheel, and the proper concrete mixing equipment.

Always work from the top down. Faux stone is hard to clean and mortar gets everywhere. Mix either with redi-mix veneer stone mortar or mix your own portland or type N with the appropriate amounts of sand and lime (if applicable). If you are using a pre-mixed mortar it is important to mix in some portland cement with the mix to increase tackiness and adhesion.

Make as few cuts as possible and try not to show the cut. Faux stone cuts well and can be shaped with a masons hammer. For a dry stack I like to use my pointing tool to pack the mortar around the stone once I have stuck it to the wall. If the wall is to be grouted then this is not as necessary.

And remember, when you are installing your nose is 6 inches from your work. Be sure to step away frequently to admire your progress, and check for inconsistencies. And one more thing... USE A LEVEL!

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