panos
New Member
Posts: 9
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Post by panos on Jun 10, 2017 3:59:23 GMT -8
Beginner question. I am assembling materials to build a BBR. Which design should i apply for the base structre in order to achieve an air gap of 4 inches. Can you give me some practical ideas and what to use to achieve this?
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Post by satamax on Jun 10, 2017 4:03:39 GMT -8
Rsj's ?
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panos
New Member
Posts: 9
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Post by panos on Jun 10, 2017 6:10:33 GMT -8
Thank you for your response. I will try and find a photo to imitate the base.
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panos
New Member
Posts: 9
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Post by panos on Aug 17, 2017 11:16:01 GMT -8
I was told that using cinder blocks as a base and filling their holes with perlite would work as insulation. Then Peter Van de Berg suggested to me that i don't stuff the holes with the perlite material as the air gap is crucial for the insulation.Then he suggested to me that i use on top of the cinder blocks ''a ring of bricks'',an infill of perlite clay and on top that i build the firebox. The thing is that i can;t visualize this. Can anyone help me?
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Post by Dan (Upstate NY, USA) on Aug 18, 2017 0:51:32 GMT -8
I used bricks, then placed concrete fiber board on them and poured 2 inches of concrete with rebar on that. Works good, keeps the wooden floor cool.
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