BCBC 2024 Climatic & RSI Lookup by City

City Lookup Search any BC location from BCBC Appendix C, Table C-2

Building location

Ventilation / heating

BC Energy Step Code

Project type: New construction Renovation / addition

§9.36.2.6 — Above-ground Opaque Assemblies Table 9.36.2.6.-A / -B / -C, depending on ventilation

Assembly	Step 1 RSI	Base RSI	≈ Imperial R

§9.36.2.8 — Below-Grade or In Contact with Ground Table 9.36.2.8.-A / -B / -C, depending on ventilation

Assembly	Step 1 RSI	Base RSI	≈ Imperial R

Compliant Exterior Wall Assemblies From BC Housing Illustrated Guide: R-22+ Effective Walls (3rd ed.) — click image to enlarge

Show below requirement

	Section	ID	Assembly	Effective RSI	≈ R

Compliant Below-Grade Foundation Wall Assemblies From BC Housing Illustrated Guide: R-22+ Effective Walls §6 — click image to enlarge

	Section	ID	Assembly	Effective RSI	≈ R

Compliant Floors Over Unconditioned Space Floors over crawlspace, garage, or open-to-below — click image to enlarge

	Section	ID	Assembly	Effective RSI	≈ R

Compliant Vaulted / Cathedral Ceiling Assemblies Cathedral ceilings & flat roofs (occupied) — click image to enlarge

	Section	ID	Assembly	Effective RSI	≈ R

Compliant Attic Ceiling Assemblies — Blown-In Ceilings below vented attics — loose-fill cellulose & fibreglass — click image to enlarge

	Section	ID	Assembly	Effective RSI	≈ R

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Climatic Design Data — — BCBC 2024 Appendix C, Table C-2

Parameter	Value	Unit