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R402.4.6 Tenant Separation Walls (Mandatory)

NYC Energy Code 2020 > R4 Residential Energy Efficiency > R402 Building Thermal Envelope > R402.4 Air Leakage (Mandatory) > R402.4.6 Tenant Separation Walls (Mandatory)

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Fire separations between dwelling units in two-family dwellings and multiple single-family dwellings (townhouses) shall be insulated to no less than R-10 and the walls shall be air sealed in accordance with Section R402.4 of this chapter.

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R402.4.6 Tenant Separation Walls (Mandatory)