Climate zones from Table R301.1 shall be used for determining the applicable requirements from Chapter 4.
[NY] TABLE R301.1
NEW YORK STATE CLIMATE ZONES BY COUNTY
|Zone 4A||Zone 5A||Zone 6A|
[NY] TABLE R301.3(2)
INTERNATIONAL CLIMATE ZONE DEFINITIONS
|IP Units||SI Units|
|4A||CDD50°F ≤ 4500 AND HDD65°F ≤ 5400||CDD10°C ≤ 2500 AND HDD18°C ≤ 3000|
|5||5400 < HDD65°F ≤ 7200||3000 < HDD18°C ≤ 4000|
|6||7200 < HDD65°F ≤ 9000||4000 < HDD18°C ≤ 5000|
For SI: °C = [(°F) - 32]/1.8.
An R-value identification mark shall be applied by the manufacturer to each piece of building thermal envelope insulation that is 12 inches (305 mm) or greater in width. Alternatively, the insulation installers shall provide a certification that indicates the type, manufacturer and R-value of insulation installed in each element of the building thermal envelope. For blown-in or sprayed fiberglass and cellulose insulation, the initial installed thickness, settled thickness, settled R-value, installed density, coverage area and number of bags installed shall be indicated on the certification. For sprayed polyurethane foam (SPF) insulation, the installed thickness of the areas covered and the R-value of the installed thickness shall be indicated on the certification. For insulated siding, the R-value shall be on a label on the product's package and shall be indicated on the certification. The insulation installer shall sign, date and post the certification in a conspicuous location on the job site.
Exception: For roof insulation installed above the deck, the R-value shall be labeled as required by the material standards specified in Table 1508.2 of the Building Code of New York State or Table R906.2 of the Residential Code of New York State, as applicable.
U-factors of fenestration products such as windows, doors and skylights shall be determined in accordance with NFRC 100.
Exception: Where required, garage door U-factors shall be determined in accordance with either NFRC 100 or ANSI/DASMA 105.
U-factors shall be determined by an accredited, independent laboratory, and labeled and certified by the manufacturer.
Products lacking such a labeled U-factor shall be assigned a default U-factor from Table R303.1.3(1) or R303.1.3(2). The solar heat gain coefficient (SHGC) and visible transmittance (VT) of glazed fenestration products such as windows, glazed doors and skylights shall be determined in accordance with NFRC 200 by an accredited, independent laboratory, and labeled and certified by the manufacturer. Products lacking such a labeled SHGC or VT shall be assigned a default SHGC or VT from Table R303.1.3(3).
DEFAULT GLAZED WINDOW, GLASS DOOR AND SKYLIGHT U-FACTORS
|FRAME TYPE||WINDOW AND |
|Metal with Thermal Break||1.10||0.65||1.90||1.10|
|Nonmetal or Metal Clad||0.95||0.55||1.75||1.05|
DEFAULT OPAQUE DOOR U-FACTORS
|DOOR TYPE|| |
|Insulated, nonmetal edge, not exceeding 45% |
glazing, any glazing double pane
DEFAULT GLAZED FENESTRATION SHGC AND VT
|SINGLE GLAZED||DOUBLE GLAZED||GLAZED |
Materials, systems and equipment shall be installed in accordance with the manufacturer's instructions and the Uniform Code, as applicable.
Exception: In the case of a building that is subject to the New York City Construction Codes, materials, systems and equipment shall be installed in accordance with the manufacturer's installation instructions and the applicable provisions of the New York City Construction Codes.