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EERE » BTO » Building America » Solution Center Home » 3.7.1 Continuous rigid insulation, insulated siding, or combination of the two is: ≥ R-3 in CZ 1-4; ≥ R-5 in CZ 5-8, OR;

3.7.1 Continuous rigid insulation, insulated siding, or combination of the two is: ≥ R-3 in CZ 1-4; ≥ R-5 in CZ 5-8, OR;

See the following guides for relevant information.

Continuous Rigid Insulation Sheathing
Vinyl Siding with Integrated Rigid Foam for Existing Walls
Stucco over Rigid Foam Insulation
Drainage Plane Behind Exterior Cladding
Taped Insulated Sheathing Drainage Planes