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Old 04-16-2019, 11:50 AM   #1
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Fireplace Demo - What's underneath it all?


My home was built in the late 90s and has the typical fireplace mantel and pillars made from, what it seems to be, drywall.

I am going to be remodeling it soon and wanted to demo the entire facade... the mantel, pillars, tile, etc.

I wanted to get an idea if others know how this is typically constructed so I can have an idea of what to expect when demo-ing and building a new mantel. Is it just framed with 2x4s with drywall over it?

Here is a pic. It is not blue anymore! LOL This is an old pic of when we first bought the house. Obv, the previous owners LOVED blue.

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Old 04-16-2019, 12:01 PM   #2
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Re: Fireplace Demo - What's underneath it all?


You may find block and brick, tho idoubt it. Typical framing with a code mandated seperation between the firebox (usually sheet metal, lined with "firebrick" sheets) and the studs. Flue is probably a short length of flex tubing then rigid tubing to the chimney Cap.
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Old 04-16-2019, 12:29 PM   #3
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Re: Fireplace Demo - What's underneath it all?


cool. yeh, i doubt it's brick. I guess my title is a little misleading. The fireplace itself will remain. Just gonna remodel the mantel and pillars and some new tile as well. I will have to check code on what the min distance from the firebox to the mantle and pillars need to be. Currently, the upper tile is a full 12" and the side tiles are roughly 8-9". I was thinking of doing new 8" tile all the way around.
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Old 04-16-2019, 01:06 PM   #4
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Re: Fireplace Demo - What's underneath it all?


The gas fire places come with sheet metal V shapes on top to signal how far away to keep the wood.
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Old 04-16-2019, 02:01 PM   #5
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Re: Fireplace Demo - What's underneath it all?


The pre-fabs are fairly easy to reface. If you can find a name on the unit you can probably find clearance information and Neal is correct in his post above.
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Old 04-16-2019, 02:05 PM   #6
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Re: Fireplace Demo - What's underneath it all?


Your mantle looks a lot like mine was before I removed it. Mine was a few sheets of cut down osb and 2x6 screwed together to give it the depth and then topped with drywall

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Old 04-16-2019, 02:09 PM   #7
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Re: Fireplace Demo - What's underneath it all?


When you take it apart take measurement of how far away the wood is and if it not scorched just repeat that distance.
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Old 04-17-2019, 10:26 AM   #8
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Re: Fireplace Demo - What's underneath it all?


I was recently re-sheeting the front room on a home I picked up and in front of the fireplace I noticed a strong draft.

it was a mud pan someone poured on top of a temporary support.... bananas.
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Old 05-06-2019, 11:53 AM   #9
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Re: Fireplace Demo - What's underneath it all?


Check NFPA 211 for the proper clearances to the side legs of the mantle and how much the overhang of the mantle can be from the fireplace opening. If it was a real masonry fireplace you should be able to reset new tile on a stable facing. The distance to wood will have to do with the size of the fireplace opening.
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Old 05-07-2019, 11:46 AM   #10
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Re: Fireplace Demo - What's underneath it all?


Quote:
Originally Posted by Garymenia View Post
Check NFPA 211 for the proper clearances to the side legs of the mantle and how much the overhang of the mantle can be from the fireplace opening. If it was a real masonry fireplace you should be able to reset new tile on a stable facing. The distance to wood will have to do with the size of the fireplace opening.
Thanks! I just checked the NFPA 211 11.2.5.4 and it says min 12" with an exception.



I have 2 questions:
1. It says 12" from fireplace opening. What is considered the opening?



2. Does it differ if its a gas only fireplace?
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Old 05-07-2019, 12:22 PM   #11
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Re: Fireplace Demo - What's underneath it all?


This appears to be a factory built fireplace from your second photo. This will have it own set of rules and NFPA doesn't apply. That is only for masonry fireplaces built using bricks and blocks.

There should be a metal tag attached to the unit to tell you who make the factory built fireplace and they will have clearances listed for each unit.
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Old 05-07-2019, 01:09 PM   #12
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Re: Fireplace Demo - What's underneath it all?


Quote:
Originally Posted by Garymenia View Post
This appears to be a factory built fireplace from your second photo. This will have it own set of rules and NFPA doesn't apply. That is only for masonry fireplaces built using bricks and blocks.

There should be a metal tag attached to the unit to tell you who make the factory built fireplace and they will have clearances listed for each unit.
Thanks Gary!

I checked on the fireplace and it does have a metal tag. I tried to find a manual of my specific model online but can't really find it. I found a manual of a similar model and it says you can have combustible material right up to top metal fascia.

I double checked the metal tag again too and it has it printed that 1/2" min from firebox to combustibles... so technically i don't really need tile above or on the sides of the firebox but will definitely keep for aesthetics.

thanks for y'alls help!
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