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rim joist

  • Musings of an Energy Nerd

    Insulating Rim Joists

    Use rigid foam or spray foam, not fiberglass or mineral wool

  • Detail Library

    SIP as Rim Joist

    There are many types of prefabricated structured insulated panels (SIPs) available. The most common have a core of expanded polystyrene (EPS) insulation sandwiched between OSB sheathing. They are built and…