Installing Hearthstones


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Old 02-10-12, 05:31 AM
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Installing Hearthstones

I am building a raised hearth for my woodstove, and am ready to install the manufactured stone veneer. I am familiar with doing this with the small stones on walls, but unclear on the process for the hearthstones. They are 19x20 inches. The surface of the hearth is cement board. Do I use a notched trowel, just butter the back of each stone and set it in place, do both, or something else? Thanks.
 
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Old 02-11-12, 05:46 AM
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Notched trowel for thinset on cbu, and back butter the stones. I have only set real stone for hearths so their weight alone practically sets them. You may have to use some pressure to get them level across the plane. How thick are your stones?
 
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Old 02-11-12, 01:39 PM
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They are 1-3/4 inches thick. I plan to use a 1/2-inch notched trowel and backbutter them. I know what you mean about the weight - these are manufactured veneer but are still really heavy.
 
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Old 02-12-12, 03:47 PM
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I'm surprised you didn't run the stove pipe vertically, through a roof penetration, to take advantage of all the additional heat that could then radiate from the (very) hot metal pipe into the house. We had a log home in SW Colorado, at almost 8000 ft. elevation, heated with a single propane stove having a 12-ft. inside run of pipe, set on a natural stone hearth. Worked like a charm.
 
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Old 02-13-12, 05:56 AM
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Originally Posted by BridgeMan45 View Post
I'm surprised you didn't run the stove pipe vertically, through a roof penetration, to take advantage of all the additional heat that could then radiate from the (very) hot metal pipe into the house. We had a log home in SW Colorado, at almost 8000 ft. elevation, heated with a single propane stove having a 12-ft. inside run of pipe, set on a natural stone hearth. Worked like a charm.
I chose to do it the way I did for a several reasons. The stove is centered on an end wall, so a vertical pipe would have to have a jog in it to clear the ridge beam. Also, a vertical pipe would have to be very long - my roof pitch is 12/12. The pipe would need to be almost 25 feet long. I also did not want a penetration in my metal roof. Finally, I much prefer a masonry chimney.
 
 

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