Building Code
March 1, 2026
Minimum R-Value Requirements for Above-Grade Basement Walls in Alberta's Climate Zone 7A
In Alberta's Climate Zone 7A, the National Building Code - Alberta Edition 2023 mandates a minimum effective thermal resistance of RSI 3.08 (R-17.5) for above-grade basement walls without a heat recovery ventilator.
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Zoning & Bylaw
March 1, 2026
Calgary's R-CG Zoning Repeal: Implications for Developers
Calgary's proposed repeal of R-CG zoning could reshape residential development. This article examines the technical and regulatory impacts for builders and investors.
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