Nice! Are you compressing? Do the bottles hold the beads apart?
robertmerrill1953 wrote:
Just sent some new pix showing how a lot of work can be averted by pouring F/C into a tire mold. This makes a highly insulative brick that can make a super wall. It also adds a user friendliness in that should the mix be weak or otherwise contaminated... the steel and rubber encasement provides the integrity needed. The pictures show F/C in the tires but not the bottles that were inserted. The bottles displaced precious mix saving money and time.
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