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» 2.4 Floors above garages, floors above unconditioned spaces, and cantilevered floors.
2.4 Floors above garages, floors above unconditioned spaces, and cantilevered floors.
See the following guides for relevant information.
Cantilevered Floor
Floor Above Garage
Floor Above Unconditioned Basement or Vented Crawlspace
Insulating and Air Sealing Existing Floors above Unconditioned Space