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what type of concrete to use on the casa 2g80

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  • what type of concrete to use on the casa 2g80

    I am planning on picking up my casa 2g80 this week and I have a question. I understand that the oven comes with mortar mix. My question is when put the oven together I use some of the mortar mix on the joints, then do the insulation with wire/duck tape and wrap tight. Then after what do I use to cover over the insulation. Do I use the mortar that comes with the oven or do I go to home depot and purchase concrete there. I have no idea what to do, do I use concrete, vermacite?? or stucco. I guess I am really confused on what to do. My original plan is to make the outer coat a nice dark gray smooth concrete finish and then in a month or two tile over it with 2x2 or smaller square tiles like on the picture of the casa2g from Arizona on the cover. Also what tools do I need to apply the concrete to a smooth texture, should I use a concrete float or what?. Please tell me the exact brand everyone used. I usually shop at homedepot or lowes. Thanks




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  • #2
    Re: what type of concrete to use on the casa 2g80

    Hi Kevin 0422,

    Concrete has gravel in it. You don't want to cover your oven with it.

    Your oven should have come with instructions and enough materials, except for the final enclosure. If you want to make it look like an igloo then you will wrap the insulation with chicken wire and use three layers of stucco. You can also add various kinds of additional insulation before applying stucco. If you don't have instructions then look at the Forno Bravo Pompeii oven instructions for ideas on insulation and finishing. You can also download them for free but you have to go through the ordering process to do that.

    See how I did my ovens, not exactly on point, but may give you some ideas.

    Best of luck,
    Bob

    Here is the link to my oven number 1 construction photos!

    Here is the link to my oven number 2 construction photos!

    Comment


    • #3
      Re: what type of concrete to use on the casa 2g80

      Thanks for the info bob, what time of stucco should I go with, not a quickset concrete or something they have at home depot or lowes. Would stucco give me a smooth surface to put tile on later??? I was hoping to get it smooth


      [IMG][/IMG]

      Comment


      • #4
        Re: what type of concrete to use on the casa 2g80

        Hi Kevin,

        Yes, you can buy the stucco at HD or Lowe's. First layer is called "brown coat", then "scratch coat" then a "finish coat". Yes, you can make it smooth. You can learn a lot about stucco on the internet. Also, look through photos on the forum to see how others are doing it.

        Cheers,
        Bob

        Here is the link to my oven number 1 construction photos!

        Here is the link to my oven number 2 construction photos!

        Comment


        • #5
          Re: what type of concrete to use on the casa 2g80

          I am working with an old school contractor and he mixed white Portland cement and pool plaster which includes marble dust, 50/50 and applied three coats over wire mesh which covered the two layers of insulation blanket. He says that it is very strong and waterproof. Time will tell. Oh, and he added a little color to the mix. As can see from the photos the material was applied with a trowel and the final coat smoothed with a float. Now we are trying to decide if we should paint, stain, tile or whatever to finish it. You can see my entire build sequence @https://picasaweb.google.com/105412927651356812139/Proj_Seq

          Good luck

          Phil
          Attached Files

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          • #6
            Re: what type of concrete to use on the casa 2g80

            Kevin,
            You should follow the assembly directions given from your oven supplier. That way if you have any problems you can refer back to them.
            Kindled with zeal and fired with passion.

            Comment


            • #7
              Re: what type of concrete to use on the casa 2g80

              Thanks Phil any idea on te color you choose. It looks very nice, so much I would like to leave it like that for a few months and and use it and then tile later. Really would like to just get a really nice smooth finish on my oven without screwing it up. Is the mortar mix that comes with the oven only to seal the joints or is it meant to be also applies over the insulation blanket?

              Comment


              • #8
                Re: what type of concrete to use on the casa 2g80

                Kevin
                The mortar that is supplied with your modular oven is designed for sealing the joints only. You don't need that type of mortar covering the insulation blanket. As for the color all I can tell you is that the end result is a rosy light brown. I have had the same thoughts of leaving it as is for a few months and then applying paint or tile.

                Phil

                Comment


                • #9
                  Re: what type of concrete to use on the casa 2g80

                  Hello,

                  Here is a reminder about stucco. Regular stucco isn't waterproof, it is water resistant. Rain (or sprinkler water) will saturate untreated stucco. Cover your oven to keep water from soaking in during the interim if you use regular stucco.

                  Check out this link: Umaco - "The Professional's Choice"

                  Cheers,
                  Bob

                  Here is the link to my oven number 1 construction photos!

                  Here is the link to my oven number 2 construction photos!

                  Comment


                  • #10
                    Re: what type of concrete to use on the casa 2g80

                    Well what type of stucco should I use. Here are some products that lowes carries. should I go with a color stucco like this

                    [IMG][/IMG]

                    [IMG][/IMG]

                    or with this, note that this says for brown coat and scratch coat, do i need another for finish coat, what I dont want white stucco, if anything I would like to keep it brown color or gray if worst case senario.

                    [IMG]
                    [/IMG]

                    Comment


                    • #11
                      Re: what type of concrete to use on the casa 2g80

                      Hi Kevin0422,

                      You need three coats of stucco for a traditional finish. Scratch and brown coat are your first two coats, then you can finish with, a finish coat (your third coat) or mortar, or stucco, with color. You can buy additives or you can buy a premix finish coat of waterproofer for the last coat.

                      Stucco is essentially mortar and, in fact, you can buy a mortar/stucco product, which is what I used to mortar the bricks AND stucco the sides of my enclosure. I only bought one product then painted over it. I used "Sakrete mortar/stucco" available from Home Depot.

                      It might seem a little overwhelming at first. You can use any or all of the products in your post. If it were me I'd buy a mortar/stucco product and do all three coats with it, then decide if you will tile sooner, or later. If you tile later you can add a waterproof color layer or a premixed waterproofer on the last coat until then.

                      There are options but the least expensive and most straight forward approach is to get stucco/mortar on the dome now, then decide how to seal it. Thinset, tile, grout, and silicone sealer will keep moisture penetration to a minimum. I don't see a point in adding a color to the last coat of stucco if you will tile the dome eventually. If you decide to tile much later then consider a white stucco finish with additives. That should hold you until you complete the project.

                      Cheers,
                      Bob

                      Here is the link to my oven number 1 construction photos!

                      Here is the link to my oven number 2 construction photos!

                      Comment


                      • #12
                        Re: what type of concrete to use on the casa 2g80

                        I'm having the same questions, and there aren't any answers in the places you suggest. There aren't any installation instructions that come with the oven that explain what to put on the outside. It's very vague. Can you be more specific... like instead of telling us where to get the information (which appears not to be there)... tell us what the information says
                        thank you

                        Comment


                        • #13
                          Re: what type of concrete to use on the casa 2g80

                          For the final coat you might want to consider a product called quickwall it is a fiber reinforced concrete, very tough and waterproof, it is expensive compared to stucco but goes on smooth. I used it to line my in ground pool in Minnesota so I can tell you it is very durable and completely waterproof. I also recommend using a latex or vinyl additive ton the mix to increase it's durability.

                          One tool I would buy because of the curved nature of some of the trowel work is a pool trowel, it is a flat trowel with full radius ends, this will allow you to make nice smooth internal curves where needed.

                          The other tool I would get is a sheet rocking tool that looks like a window squeege it has a soft rubber edge and a semi stiff back. This tool makes smooth surfaces easy to get.

                          Chip
                          Chip

                          Comment


                          • #14
                            Re: what type of concrete to use on the casa 2g80

                            I find it most odd that your supplier has not provided this information. You should ask them and do what they say. If you take advice from someone unauthorized you will have no recourse on the product.
                            Kindled with zeal and fired with passion.

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