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Prepare Fireplace for New Construction

19:14
39:52
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At 19:14 in

How To Transform an old Fireplace On a Budget

What happens here

After demolition, prepare the fireplace opening. Since the original brick veneer was recessed, apply a layer of N-type mortar to the existing brick surfaces to create a flush, even base. This ensures a consistent plane for the subsequent layers. Once the mortar is dry, cut and attach cement board panels (e.g., USG Durock Cement Board or HardieBacker) to the fireplace face and hearth using screws. Cement board provides a stable, moisture-resistant, and fire-resistant substrate ideal for stone veneer, preventing issues like delamination or cracking common with direct application to drywall.

Goal: This step involves applying mortar to even out the recessed brick sides of the fireplace opening and installing cement board panels as a suitable substrate for the new stone veneer.

Tools and materials

  • Angle Grinder (with diamond blade)
  • Drill
  • Level
  • Trowel
  • Utility Knife
  • Cement Board Panels
  • Cement Board Screws
  • N-Type Mortar

What they say

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mistake [Music] all right I feel like I keep running into one speed bump after another so like I mentioned earlier the stone issue here so the way he had it done is the the fireplace brick is laid in place it's a gas fireplace keep that in mind not that much and he had like a veneer going over where these bricks stopped so they actually recessed in here and then a little bit more on the outside it was it's done so poorly so I thought no problem I could find this brick went down to Lowe's they don't have it went down to Home Depot they don't have it then I went to my local masonry place that I buy all my Stone from I'm like no problem they're going to have it wrong they don't have it they have a similar size but they don't have the etching and not to mention it's a different kind of red so regardless he going to stand out I'm thinking about what to do here and um I just I don't know this is one of those things where you're going to see it from here it has to be fire safe and I'm just kind of stuck between a rock and a heart place after much brainstorming I think we put the nogin to work and we figured out a solution so I got my S Type I got my n type mortar built up here and then I will be able to add my drywall here continue my cement board and then the stone that I got has Corners so it will fill in any of this exposed section there um every problem has a solution there's an argument whether or not this is the perfect solution but like they say in evolution it's not a perfect solution it's a workable solution so uh that's where we're at right now cabinets check shelves check strong hear check cement board check here's the thing I really want to put a mantle up

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