| | Unvented, cathedralized attic is semi-conditioned space for cooling and heating system and storage |
| | Roof demos unvented attic with both rafter and SIPS roof segments PLUS vented attic with SIPS ceiling and framed roof |
| | | Unvented framed roof will be insulated under roof deck with spray foam insulation that adheres and seals roof-wall intersection air-tight |
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