Loretta Stuber wrote: What would be better for building the heat riser, the firebricks or the perlite/fire clay mix? And do I have to use fire clay in the heat riser or is it just plain clay?
Loretta Stuber wrote:And if so, how thick is the heat riser walls if I'm going with a 6"system.
Loretta Stuber wrote:I also need to know if I have to use a 55 gal. drum for my manifold over my heat riser or can I go with a bell system made from clay bricks?
Loretta Stuber wrote:On the clay, can I use bentonite clay which is what plain kitty litter is, since my ground is already frozen here in Kansas?
Loretta Stuber wrote: I read on one of the threads that rock has more insulating value than clay, so can I use that as the fill under my pipes then a layer of clay on top?
Loretta Stuber wrote:I definitely will appreciate your time and effort in steering me in the right direction so I can be successful in this venture. Sorry for all the questions, I'm just very excited and anxious to learn more on becoming more self sufficient and getting started on this beneficial project.
Thanks in advance for the advice,
thomas rubino wrote:No hvac is normally not galvanized. Yes galvanized gives off a bad gas the first time it gets hot, after that nothing.
Loretta Stuber wrote:The firebricks I purchased are 4.5"×9"×1.25" model #FBP6. They came 6 to a box & are sold for pizza ovens, stoves & outdoor furnaces. I believe they came in the same box I saw on several rocket mass heater videos I've viewed online. So will these work?
Loretta Stuber wrote:I wondered about the rock. I have seen several videos that pile in the base rock layer then add the pipe but I know that hvac is very easily dented so I will be gentle. I have read about the ceramic fiber blankets & will look into building my riser as you suggested. Where do I get those two items? Online or who carries them?
Loretta Stuber wrote:Matthew, my name is Loretta not Claudia.
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