Flagstone brick veneer on concrete wall

by Rodney
(Meadows of Dan, Va)


I want to cover my chimney, foundation, basement and retaining walls with flagstone brick giving it a rustic dry stack appearance.


I envision scoring pieces of flagstone and breaking or cutting them into 2-3" deep with irregular length strips forming bricks and then mortaring and tying the bricks to the concrete wall. This would expose the layers in the cut edge of the flagstone and produce a ledge-stone style finish (see picture).

Is this doable as an outside veneer? Some of my concerns is that rain water will seep in between the dry-stacked stone, freeze, and cause the stones to break loose. I have looked for a video or article on this but cannot seem to find anything.

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Thanks David
by: Rodney

I found an answer to my concern about water freezing (see link below). Looks like I will need to grout the joints if I want to use flagstone cut into bricks. Thanks for you reply.

http://www.askmehelpdesk.com/exterior-home-improvement/real-thin-stone-veneer-grout-vs-drystack-326037.html

never done it
by: David

Dear Rodney,

I talked with my dad last night and he's never stacked the stone like you want it, so he can't totally comment on the best way to proceed.

He agrees with you that water seeping in a freezing could be a problem. The most important is that you keep water from reaching the back wall.

If you're not in a hurry, you could test it on a small wall and then run water over it to see how it works.

Sorry we couldn't be more specific for you, but we would hate to give you advice on something we've never done before.

Great luck and if you can get it to work, we would love to see pictures of it. There might be a lot of people who want to do the same thing.

Take care,

David

I'll ask my dad
by: David

Dear Rodney,

That sounds like a very creative project. I need to ask my dad his opinion so I can get you the best advice.

I should see him next weekend, so I'll get you an answer then.

Take care,

David

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