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accidentally coated inside 36" brick dome with high heat mortar cement

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  • accidentally coated inside 36" brick dome with high heat mortar cement

    my uncle was being a nice guy and decided to come over my house while i was at work and decided to apply high heat mortar cement inside my 36" brick dome.
    he pretty much apply one good coat of high heat mortar cement inside the dome where you can't actually see the brick anymore. i guess the good thing he left the floor alone. i guess it will work just fine. i was just bummed out that my nice brick job is not visible anymore.
    any consequences with the dome being coated with high heat mortar?
    any help counts thanks
    jp

  • #2
    Re: accidentally coated inside 36" brick dome with high heat mortar cement

    Most likely gonna end up with crunchy pizza's.

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    • #3
      Re: accidentally coated inside 36" brick dome with high heat mortar cement

      Should I take the coat of high heat mortar off?
      thanks
      jp

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      • #4
        Re: accidentally coated inside 36" brick dome with high heat mortar cement

        I don't see any problem but if it bothers you I guess you could take it off if you wanted to. Other than a thicker dome (more thermal mass) it is of no big consequence that you have that extra layer. If it is a thin coat then it shouldnt affect heating time that much.
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        • #5
          Re: accidentally coated inside 36" brick dome with high heat mortar cement

          its does not really bother me, thanks for the reply

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          • #6
            Re: accidentally coated inside 36" brick dome with high heat mortar cement

            I think the reason you see all that nice brickwork on the inside of ovens is the non requirement of any residual mortar, it may work OK, just keep your eye on any flaking.

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            • #7
              Re: accidentally coated inside 36" brick dome with high heat mortar cement

              Yes, flaking. Thin layers of cement tend to delaminate easily. Don't know about heat stop, but you don't want flakes of cement falling on your pizza.
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              • #8
                Re: accidentally coated inside 36" brick dome with high heat mortar cement

                definitely want no cement flakes, a good amount of cement was coated as i was checking it again this morning.
                should i leave it ALONE and cure it in a week?
                or should i go ahead and scrape off as much mortar as i can NOW before curing the dome?
                or can i take the mortar off after curing the dome?
                thanks again guys

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                • #9
                  Re: accidentally coated inside 36" brick dome with high heat mortar cement

                  Sorry about your oven accident jp.

                  This is just my opinion, (and pay no attention to anything under my avatar that says Master Builder, cuz I aint) but cladding on the INSIDE of an oven is so non-standard that I think you should chip off as much as possible, even if it dings your bricks a bit. I would think it would tend to flake and come off even if your uncle did a good job of applying it. Again, since I've not seen it happen before, I would rather remove it, not really knowing the outcome.

                  You could also chip the top, then the sides and leave a few inches near the soldier or bottom courses and if they flake off, they just fall into the ashes.

                  Just my 2 unprofessional-cents, good luck, Dino
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                  • #10
                    Re: accidentally coated inside 36" brick dome with high heat mortar cement

                    Yes sorry to hear that, but I would lean towards seeing if you can take it off now. Not sure what mortar you are using, but I was surprised how I could clean stray HeatStop 50 mortar off the outside of my bricks a couple of weeks after I had mortared them. I just dampened them with a sponge, did a little scraping with a trowel, and some more rubbing with the sponge and it can off pretty easily.
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                    • #11
                      Re: accidentally coated inside 36" brick dome with high heat mortar cement

                      I am with Dino, I would chip it off. If you havent fired the oven it should be fairly easy. I think it will probably flake off when you start heat cycling anyway.
                      Eric

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                      • #12
                        Re: accidentally coated inside 36" brick dome with high heat mortar cement

                        i am working now on taking off most of the coating that was applied accidentally, not a very easy thing to do, its sunny 70 degrees here in the bay area, inside the dome staying cool so far, its looking great, mortar peels off easy
                        bought some brick/driveway stain cleaner solution from home depot, hoping this cleaner will take some of the stains of the brick when done scraping off all the mortar
                        again guys thanks for all the response
                        jp

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                        • #13
                          Re: accidentally coated inside 36" brick dome with high heat mortar cement

                          I'm glad it's coming off easily. I used a sand form to finish off my dome and it sucked the moisture out of the mortar. After a day I dropped the sand and the mortar was hard as a rock. I ended up spending a few hours with a pneumatic chisel removing the residue. Good thing you didn't wait until it fully cured.
                          dave
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                          • #14
                            Re: accidentally coated inside 36" brick dome with high heat mortar cement

                            Just a suggestion, Since the dome is not cured yet; you might try lighting a small fire and see if you can get it to micro-crack. If it were cured, I'd say build the biggest fire you can and make it fail. Then try to remove it with a metal brush.
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                            • #15
                              Re: accidentally coated inside 36" brick dome with high heat mortar cement

                              Glad to here... btw we are also from the Bay Area (San Jose).
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