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blk94f150 02-12-2012 08:12 PM

Help with outdoor fireplace design
I'm planning to build an outdoor fireplace in the next year and I have some questions.

The main structure will be concrete block with fire brick for the fire box. We want the exterior to be stone with a dry stacked look. Not sure if we'll be using something pretty regular like a landscaping stone or not. Anyway, I was wondering how to affix them to the block structure? Just mortar on the backside. I live in an area that goes through freeze/thaw cycles so I'm worried about ice forming in the joints and cracking everything.

Also, should I build a foundation below the frost line or just do a 4 inch pad? It will be built off of a paver patio so a little movement isn't the end of the world.

wrooster 02-14-2012 09:01 AM


Originally Posted by blk94f150 (Post 851966)
I'm planning to build an outdoor fireplace in the next year and I have some questions.

For some firepit ideas, check out the Project Showcase forum. It seems like every tenth thread is a firepit, so scroll through the pages or run a forum search on "firepit":

For example, you'll turn up this drystack design: :)


user1007 02-22-2012 11:10 AM

Are you building a fire pit or a fireplace. If a fireplace, what is going to be behind it? Or is it to be freestanding?

Can you do a quick sketch of the footprint? I use Sweet Home 3D for such things and it is free and open source. Others on this site like SketchUp. Even a quick pencil sketch with anticipated dimensions and position relative to structures would help.

jomama45 02-26-2012 12:18 PM

How the "stone" is affixed to the block depends on exactly what material you're using. Cultured or natural thin veneer can indeed be applied with plain mortar, possibly with a little bonding agent.

As for frost protection, there's no guarantee it will last w/o frost-protected footings, but it would help to know where you're located........

jacksander 02-29-2012 08:08 AM

I also want to add a little color to by backyard, that is why I want to build a fire pit and maybe a pizza oven. You should check this guides I've found on the internet, maybe you'll add a brick dome.

pizza oven photos

outdoor pizza oven

small pizza oven

Maybe they aren't what you're looking for, but I think it's better to see some examples before deciding your final design.

reachout 10-01-2012 09:48 PM

Stone Fire Pit Ideas
Let me know if my website about stone fire pit can help. Please check out my website at: ----------

Joseph_Davis 08-29-2013 03:17 AM

Well, I think you should use brick veneer on the exterior. Brick veneer looks cool and the main difference between indoor and outdoor brick veneer products is the added factor of natural elements.Brick veneer is suited for transforming the look of any space. Whether it be in the kitchen, living room or backyard. I am telling you all this from my personal experience when we decided to use brick veneer on the exterior of my sister's house. At starting We were very confused about the selection of the brick veneer but I think the decision was right. In my opinion you should use brick veneer and if you want any ideas about it you can consider hiring some home designers which have in-depth knowledge in this field.Also I think you can consider this blog post for further information

wkearney99 08-29-2013 07:40 AM

I've a good friend that has an outdoor pizza oven and his advice is BE SURE you're using a design that's PROVEN. Just any old dome shape won't work as effectively as one that's designed to work as a baking oven. Yeah, people have been making ovens like this for centuries, sure, but there are benefits to doing it right.

As long as you follow the manufacturer's recommended methods and use products known to be suitable in your climate there's really not much to justify any one product being better or worse than another. Each have their pros and cons, along with devoted fans and detractors. Find a look you prefer and see about whether that can be done effectively in your location.

Meanwhile, update your profile here to include a location. That helps others offer area-specific advice.

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