The thickness of each additional layer of cocoon is so thin as to provide
little in the way of additional R value to the walls of the comb, unless of
course the silk/adhesive combination have remarkable R value capabilities.

My thought, but they do not need to be remarkable since you are not looking
just at the periphery of the cluster (outer cells) but the entire entity.
You have a lot of added material since each cell within the cluster is
effected and the effect is cumulative as you go from the outer cells to the
center of the cluster.

Bill Truesdell
Bath, Maine

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