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// CODE SNIPPET

C401.2.1 Application to Replacement Fenestration Products

2017 FBC - Energy Conservation, 6th edition > 4 [CE] Commercial Energy Efficiency > C401 General > C401.2 Application > C401.2.1 Application to Replacement Fenestration Products
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Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement fenestration unit shall meet the applicable requirements for U-factor and SHGC in Table C402.4.

Exception: An area-weighted average of the U-factor of replacement fenestration products being installed in the building for each fenestration product category listed in Table C402.4 shall be permitted to satisfy the U-factor requirements for each fenestration product category listed in Table C402.4. Individual fenestration products from different product categories listed in Table C402.4 shall not be combined in calculating the area-weighted average U-factor.

Related Code Sections


C401.2.1 [CE] Commercial Energy Efficiency, Application to Replacement Fenestration Products
Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement ...
2017 FBC - Energy Conservation, 6th edition > 4 [CE] Commercial Energy Efficiency > C401 General > C401.2 Application > C401.2.1 Application to Replacement Fenestration Products
C401.2.2 [CE] Commercial Energy Efficiency, Application to Replacement Fenestration Products
Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement ...
2020 FBC - Energy Conservation, 7th edition > 4 [CE] Commercial Energy Efficiency > C401 General > C401.2 Application > C401.2.2 Application to Replacement Fenestration Products
R402.3.6 [RE] Residential Energy Efficiency, Replacement Fenestration
Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement ...
2014 FBC - Energy Conservation, 5th edition > 4 [RE] Residential Energy Efficiency > R402 Building Thermal Envelope > R402.3 Fenestration (Prescriptive) > R402.3.6 Replacement Fenestration
R503.1.1.1 [RE] Existing Buildings, Replacement Fenestration
Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement ...
2017 FBC - Energy Conservation, 6th edition > 5 [RE] Existing Buildings > R503 Alterations > R503.1 General > R503.1.1 Building Envelope > R503.1.1.1 Replacement Fenestration
R503.1.1.1 [RE] Existing Buildings, Replacement Fenestration
Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement ...
2020 FBC - Energy Conservation, 7th edition > 5 [RE] Existing Buildings > R503 Alterations > R503.1 General > R503.1.1 Building Envelope > R503.1.1.1 Replacement Fenestration
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