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// CODE SNIPPET

N1103.3.1 (R403.3.1) Insulation (Prescriptive)

Residential Code 2018 of Kansas > 11 [RE] Energy Efficiency > N1103 (R403) Systems > N1103.3 (R403.3) Ducts > N1103.3.1 (R403.3.1) Insulation (Prescriptive)
JUMP TO FULL CODE CHAPTER
Supply and return ducts in attics shall be insulated to an R-value of not less than R-8 for ducts 3 inches (76 mm) in diameter and larger and not less than R-6 for ducts smaller than 3 inches (76 mm) in diameter. Supply and return ducts in other portions of the building shall be insulated to not less than R-6 for ducts 3 inches (76 mm) in diameter and to not less than R-4.2 for ducts smaller than 3 inches (76.2 mm) in diameter.
Exception: Ducts or portions thereof located completely inside the building thermal envelope.

Related Code Sections


N1103.3.1 [RE] Energy Efficiency, (R403.3.1) Insulation (Prescriptive)
Supply and return ducts in attics shall be insulated to an R-value of not less than R-8 for ducts 3 inches (76 mm) in diameter and larger ...
Residential Code 2018 of Kansas > 11 [RE] Energy Efficiency > N1103 (R403) Systems > N1103.3 (R403.3) Ducts > N1103.3.1 (R403.3.1) Insulation (Prescriptive)
R403.3.1 [RE] Residential Energy Efficiency, Insulation (Prescriptive)
Supply and return ducts in attics shall be insulated to an R-value of not less than R-8 for ducts 3 inches (76 mm) in diameter and larger ...
Energy Conservation Code 2018 of Kansas > 4 [RE] Residential Energy Efficiency > R403 Systems > R403.3 Ducts > R403.3.1 Insulation (Prescriptive)
R403.3.1 Foundations, Foundations Adjoining Frost-Protected Shallow Foundations
Vertical wall insulation and horizontal insulation of frost-protected ...
Residential Code 2018 of Kansas > 4 Foundations > R403 Footings > R403.3 Frost-Protected Shallow Foundations > R403.3.1 Foundations Adjoining Frost-Protected Shallow Foundations
R402.1 [RE] Residential Energy Efficiency, General (Prescriptive)
INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTa CLIMATE ZONE FENESTRATION U-FACTORb SKYLIGHTb U-FACTOR GLAZED FENESTRATION SHGCb, e ...
Energy Conservation Code 2018 of Kansas > 4 [RE] Residential Energy Efficiency > R402 Building Thermal Envelope > R402.1 General (Prescriptive)
N1102.1 [RE] Energy Efficiency, (R402.1) General (Prescriptive)
zone specified in Section N1101.7. TABLE N1102.1.2 (R402.1.2) INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTa CLIMATE ZONE ...
Residential Code 2018 of Kansas > 11 [RE] Energy Efficiency > N1102 (R402) Building Thermal Envelope > N1102.1 (R402.1) General (Prescriptive)
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