ABOUT THE DESIGN
Please see below the assembly detail summery of the box constructed to Title-24 / current building code and the one build to the Passive House standard:
CODE BOX
Roof: 2×12 Joists; 24″ O.C.; R-30 Insulation at ceiling.
Walls: 2×6 Studs; 24″ O.C.; R-19 Insulation between studs; R-5 Rigid Exterior Insulation
Floor: 2×6 Joists; 24″ O.C.; R-19 Insulation between joists;
PASSIVE HOUSE BOX
Roof: 2X12 Joists; 24″ O.C.; R-30 Insulation at ceiling;
Minimum of R-5 rigid insulation above roof deck.
Walls: 2×6 Studs; 24″ O.C.; R-19 Insulation between studs;
Minimum of R-5 Exterior Insulation
Floor: 2×6 Joists; 24″ O.C.; R-19 Insulation between joists;
Minimum of R-5 Exterior Insulation below joists
Blower Test requirement: 0.6 ACH