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Randy and Terry talk about the history of insulation. Fiberglass, Cellulose, Spray Foam (closed and open celled) are the modern types, BUT what about the history!
By Terry Gunnell-Beck and Randy Blake4.9
77 ratings
Randy and Terry talk about the history of insulation. Fiberglass, Cellulose, Spray Foam (closed and open celled) are the modern types, BUT what about the history!

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