Heads up: There are no amended sections in this chapter.

Appendix R1 Residential Requirements

AMENDMENT
This section has been amended at the state or city level.
(Appendix exclusive to the State of North Carolina)

Appendix R1.1

AMENDMENT
This section has been amended at the state or city level.
Energy Efficiency Certificate (Section R401.3)

TABLE R401.3
ENERGY EFFICIENCY CERTIFICATE
Builder, Permit Holder or Registered Design Professional

Print Name:

Signature:
Property Address:
Date:
Insulation Rating — List the value covering largest area to all that apply R-Value
Ceiling/roof: R-
Wall: R-
Floor: R-
Closed crawl space wall: R-
Closed crawl space floor: R-
Slab: R-
Basement wall: R-
Fenestration:
U-Factor
Solar Heat Gain Coefficient (SHGC)
Building Air Leakage
□ Visually inspected according to R402.4.2.1 OR
□Building air leakage test results
(Sec. R402.4.2.2)
ACH50 [Target: 5.0] or
CFM50/SFSA [Target: 0.30]
Name of Tester/Company:

Date:                                                                                                                  Phone:
Ducts:
Insulation R-
Total duct leakage test result (Sect. R403.3.3)
Circle one:
Total duct leakage test
(CFM25 Total/100SF) [Target: 5]
Or
Duct leakage to the outside test
(CFM25 Total/100SF) [Target: 4]
Name of Tester or Company:

Date:                                                                                                                  Phone:
Certificate to be displayed permanently

Appendix R1.2 Insulation and Air Sealing Details

AMENDMENT
This section has been amended at the state or city level.
APPENDIXR1.2.1(Section R402.2.1)

R402.2.1 Ceilings with attic spaces: Exception for fully enclosed attic floor systems.

SECTION VIEW OF CEILING WITH ATTIC SPACE
APPENDIXR1.2.2(Section R402.2.11)


R402.2.11 Closed crawl space walls. Insulation illustrations.

APPENDIXR1.2.3 (Section R402.2.14, Section R402.2.15)


R402.2.14 Framed cavity walls. Insulation enclosure — 1. Tubs

SECTION VIEW OF BATH TUB ON EXTERIOR WALL


R402.2.14 Framed cavity walls. Insulation enclosure — 2. Showers

SECTION VIEW OF SHOWER ON EXTERIOR WALL


R402.2.14 Framed cavity walls. Insulation enclosure — 3. Stairs

SECTION VIEW OF INTERIOR STAIRCASE ON EXTERIOR WALL (OPTION 1)


R402.2.14 Framed cavity walls. Insulation enclosure — 3. Stairs

SECTION VIEW OF INTERIOR STAIRCASE ON EXTERIOR WALL (OPTION 2)


R402.2.14 Framed cavity wall. Insulation enclosure — 4. Direct vent gas fireplace



R402.2.15 Attic knee walls. Insulation enclosure — 5. Walls that adjoin attic spaces

SECTION VIEW OF WALL ADJOINING ATTIC SPACE WITH STICK FRAMED ROOF


R402.2.15 Attic knee walls. Insulation enclosure — 5. Walls that adjoin attic

SECTION VIEW OF WALL ADJOINING ATTIC SPACE WITH TRUSS ROOF
APPENDIX R1.2.4 (Section R402.4.1, R402.4.2.1)


R402.4.1 Building thermal envelope. — 1. Block and seal floor/ceiling systems

ISOMETRIC VIEW OF DIMENSIONAL LUMBER FLOOR/CEILING SYSTEM ABOVE COMMON WALL BETWEEN UNCONDITIONED AND CONDITIONED SPACE


R402.4.1 Building thermal envelope. — 1. Block and seal floor/ceiling systems

ISOMETRIC VIEW OF WOOD TRUSS FLOOR/CEILING SYSTEM ABOVE COMMON WALL BETWEEN UNCONDITIONED AND CONDITIONED SPACE


R402.4.1 Building thermal envelope. — 1. Block and seal floor/ceiling systems

ISOMETRIC VIEW OF I-JOIST FLOOR/CEILING SYSTEM ABOVE COMMON WALL BETWEEN UNCONDITIONED AND CONDITIONED SPACE


R402.4.1 Building thermal envelope — 2. Cap and seal shafts and chases

SECTION VIEWS OF DUCT PENETRATING INTO ATTIC


R402.4.1 Building thermal envelope. — 3. Cap and seal soffit or dropped ceiling

SECTION VIEW OF SOFFIT OVER CABINET


R402.4.1 Building thermal envelope. — 4. Seal HVAC boot penetration - floor

SECTION VIEW OF FLOOR HVAC BOOT PENETRATION


R402.4.1 Building thermal envelope. — 4. Seal HVAC boot penetration - ceiling

SECTION VIEW OF CEILING HVAC BOOT PENETRATION


R402.4.1 Building thermal envelope. — 5. Sealed exterior air barrier with housewrap

Follow manufacturer's instructions for sealing air barrier-rated housewrap, including choice of materials, to provide an exterior air barrier at the following locations:



R402.4.1 Building thermal envelope. — 5. Sealed exterior air barrier with sheathing



R402.4.2.1 Visual inspection option. — Table R402.4.2 Seal ceiling mechanical box penetrations

SECTION VIEW OF SEALING EXHAUST FAN BOXES


R402.4.2.1 Visual inspection option. — Table R402.4.2 Seal ceiling electrical box penetrations

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