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Platinum Member
Join Date: Jul 2001
Location: Leave the gun. Take the cannoli.
Posts: 21,343
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By plastic channels I assume you mean the baffles that allow air flow between the batt insulation and the sheathing like provent or duravent?
How thick is the insulation, and how deep are the rafters? Are they 2x4 trusses (2x4 referenced in the first post)
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