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-   -   Arguement over faux stone on a fireplace (http://www.diychatroom.com/f19/arguement-over-faux-stone-fireplace-60970/)

viper1 01-03-2010 09:29 PM

Arguement over faux stone on a fireplace
 
I was wondering what opinions are on fake stone on a fire place. My friends and I seem to have different ideas on how it should be done.
My idea (with help from reading old threads)-Durarock screwed on with correct screws,lathe, scratch coat then stone
Friend #1-durarock screwed on, stone put dirrectly on board
Friend#2-Drywall,stone put on with mastic.
Friend #3-Dry wall with lathe, scratch coat,stone. His other idea was 1/2 inch plywood instead of drywall.
Just wanting some replies on the correct way. Ive been given good info on here on how to do my shower so i trust the opinions i get. Thanks

High Gear 01-03-2010 11:17 PM

Well hope you don't mind me butting in ,that makes two of us that are confused on this.

I want to do a half exposure wall in the basement in this rock( its framed out with 1" foam then frame).

I've looked at 2 companies Cast Natural Stone (menards sells it) and Canyon rock (home depot).

'Cast' mentions cement board as a option for interior 'Canyon' does not.

I'm leaning toward 'Canyon' and believe that cement board would be the best backer even though it(Canyon) makes no mention of it.


Both say board, building paper,lath, scratch coat, then butter and place stones.

Would you still need to use paper if you used cement board?

NJ Brickie 01-04-2010 06:39 AM

Quote:

Originally Posted by viper1 (Post 376223)
I was wondering what opinions are on fake stone on a fire place. My friends and I seem to have different ideas on how it should be done.
My idea (with help from reading old threads)-Durarock screwed on with correct screws,lathe, scratch coat then stone
Friend #1-durarock screwed on, stone put dirrectly on board
Friend#2-Drywall,stone put on with mastic.
Friend #3-Dry wall with lathe, scratch coat,stone. His other idea was 1/2 inch plywood instead of drywall.
Just wanting some replies on the correct way. Ive been given good info on here on how to do my shower so i trust the opinions i get. Thanks


What will you be going over? Is the fireplace brick now? If so you do not need to put any substrate up. Adhere the stone directly to the brick with thinset. If you need a substrate use a concrete backer board such as durarock. Then attach stone with thinset.


Quote:

Originally Posted by High Gear (Post 376271)
Well hope you don't mind me butting in ,that makes two of us that are confused on this.

I want to do a half exposure wall in the basement in this rock( its framed out with 1" foam then frame).

I've looked at 2 companies Cast Natural Stone (menards sells it) and Canyon rock (home depot).

'Cast' mentions cement board as a option for interior 'Canyon' does not.

I'm leaning toward 'Canyon' and believe that cement board would be the best backer even though it(Canyon) makes no mention of it.


Both say board, building paper,lath, scratch coat, then butter and place stones.

Would you still need to use paper if you used cement board?


No paper. Hang the concrete backer board. Adhere stone with thinset.

Tscarborough 01-04-2010 07:27 AM

Hardie backer and thinset over sheetrock, thinset over clean brick.

High Gear 01-04-2010 09:13 AM

Do I understand right, that with cement board no paper, lath & scratch coat is needed?

joed 01-04-2010 09:52 AM

Follow manufactures instructions. I would imagine some is thicker and heavier than others and would require a different technique.

NJ Brickie 01-04-2010 01:22 PM

Quote:

Originally Posted by High Gear (Post 376406)
Do I understand right, that with cement board no paper, lath & scratch coat is needed?


Yes, with concrete backer board no paper,lath, or scratch coat is needed. Apply the stone directly to the CBB with thinset.:thumbsup:

NJ Brickie 01-04-2010 01:25 PM

Quote:

Originally Posted by joed (Post 376429)
Follow manufactures instructions. I would imagine some is thicker and heavier than others and would require a different technique.


For interior applications of cultured stone, thinset applied directly to a suitable substrate is IMO the best practice.

viper1 01-05-2010 08:07 PM

So CCB over the framing and thinset the stone on. Any suggestios on screw spacing?

jomama45 01-05-2010 10:28 PM

Quote:

Originally Posted by viper1 (Post 376223)
I was wondering what opinions are on fake stone on a fire place. My friends and I seem to have different ideas on how it should be done.
My idea (with help from reading old threads)-Durarock screwed on with correct screws,lathe, scratch coat then stone
Friend #1-durarock screwed on, stone put dirrectly on board
Friend#2-Drywall,stone put on with mastic.
Friend #3-Dry wall with lathe, scratch coat,stone. His other idea was 1/2 inch plywood instead of drywall.
Just wanting some replies on the correct way. Ive been given good info on here on how to do my shower so i trust the opinions i get. Thanks


My personal preferance is #3, but #1 is acceptable as well IMO. The only time I use #1 is under thin brick as they lay better on the flatter surface.

NJ Brickie 01-06-2010 03:45 PM

Viper- Follow the manufactures specs for screw spacing. I use Hardi backer and the spacing is 6" OC.

High Gear 01-06-2010 05:05 PM

Thanks guys..... Oh BTW I've been e-mailing Canyon stone (GAF) to see if

CBB was acceptable or left out of the literature for a reason.

I finally got my answer after 2 emails :whistling2:

CBB is acceptable as long as you use the rough side. For example, DuRock products have a smooth and rough side


Regards,


J.D. Taliaferro
GAF Technical Services
1-800-ROOF-411, Option 1

viper1 01-06-2010 08:02 PM

thanks everyone great info. Sucks I was wrong,lol.

High Gear 01-07-2010 03:52 PM

Only suxs if you do it wrong and have to redo it.


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