Originally Posted By: rmoore
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1928 home. I felt like an archeologist digging through soil layers.
Anyway...bottom layer appears to be vermiculite complete with shiny metallic bits, the top layer is rockwool (or cellulose...still have trouble with those two). The middle layer resembled coconut fiber? Anyone seen that before...know what it's called? I'm thinking of going with "Shredded Cellulose By-product".
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