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// CODE SNIPPET

A7 Opaque Doors

Energy Standard for Buildings Except Low-Rise Residential Buildings 2016 of Illinois > Normative Appendix A Rated R-Value of Insulation and Assembly U-factor, C-Factor, and F-Factor Determinations > A7 Opaque Doors
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All opaque doors with U-factors determined, certified, and labeled in accordance with NFRC 100 or ANSI/DASMA 105 shall be assigned those U-factors.

A7.1 Unlabeled Opaque Doors

Unlabeled opaque doors shall be assigned the following U-factors:
  1. Uninsulated single-layer metal swinging doors or nonswinging doors, including single-layer uninsulated access hatches and uninsulated smoke vents: 1.45.
  2. Insulated double-layer metal coiling doors: U-l.00.
  3. Uninsulated double-layer metal swinging doors or nonswinging doors, including double-layer uninsulated access hatches and uninsulated smoke vents: 0.70.
  4. Insulated metal swinging doors, including fire-rated doors, insulated access hatches, insulated smoke vents, and other insulated metal nonswinging doors: 0.50.
  5. Wood doors, minimum nominal thickness of 1.75 in., including panel doors with minimum panel thickness of 1.125 in., solid core flush doors, and hollow core flush doors: 0.50.
  6. Any other wood door: 0.60.

Related Code Sections


5.5.3.6 Building Envelope, Opaque Doors
All opaque doors shall have a U-factor not greater than that specified in Tables 5.5-0 through 5.5-8 . Exceptions to 5.5.3.6 For ...
Energy Standard for Buildings Except Low-Rise Residential Buildings 2016 of Illinois > 5 Building Envelope > 5.5 Prescriptive Building Envelope Option > 5.5.3 Opaque Areas > 5.5.3.6 Opaque Doors
A7 Normative Appendix A Rated R-Value of Insulation and Assembly U-factor, C-Factor, and F-Factor Determinations, Opaque Doors
All opaque doors with U-factors determined, certified, and labeled in accordance with NFRC 100 or ANSI/DASMA 105 shall be assigned those U ...
Energy Standard for Buildings Except Low-Rise Residential Buildings 2016 of Illinois > Normative Appendix A Rated R-Value of Insulation and Assembly U-factor, C-Factor, and F-Factor Determinations > A7 Opaque Doors
C1.3 Normative Appendix C Methodology for Building Envelope Trade-Off Option in Section 5.6, For Opaque Doors
The class of construction , area, and U-factor shall be specified. Each opaque door shall be associated with a surface as described in Section ...
Energy Standard for Buildings Except Low-Rise Residential Buildings 2016 of Illinois > Normative Appendix C Methodology for Building Envelope Trade-Off Option in Section 5.6 > C1 Minimum Information > C1.3 For Opaque Doors
R402.3.4 [RE] Residential Energy Efficiency, Opaque Door Exemption
One side-hinged opaque door assembly not greater than 24 square feet (2.22 m 2 ) in area shall be exempt from the U -factor requirement in Section ...
2018 Illinois Energy Conservation Code Standards for Privately Funded Commercial Facilities and Standards for Residential Buildings > 4 [RE] Residential Energy Efficiency > R402 Building Thermal Envelope > R402.3 Fenestration (Prescriptive) > R402.3.4 Opaque Door Exemption
C402.4.5 [CE] Commercial Energy Efficiency, Doors
Opaque swinging doors shall comply with Table C402.1.4. Opaque nonswinging doors shall comply with Table C402.1.3. Opaque doors shall be considered ...
2018 Illinois Energy Conservation Code Standards for Privately Funded Commercial Facilities and Standards for Residential Buildings > 4 [CE] Commercial Energy Efficiency > C402 Building Envelope Requirements > C402.4 Fenestration (Prescriptive) > C402.4.5 Doors
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