Adopts With Amendments
Chapter 14
Exterior Walls
International Residential Code 2021
[F] 1401.1 Scope
Section 1401.1 — Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 1401.1.1 Heating Scope
Section 1401.1.1 — Heating Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 1401.2 Clearances to Combustibles
Section 1401.2 — Clearances to Combustibles. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1401.2.1 Heating and Cooling Equipment Scope
Section 1401.2.1 — Heating and Cooling Equipment Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 1402.1 Central Furnaces
Section 1402.1 — Central Furnaces. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1402.1.1 Central Furnace Installation
Section 1402.1.1 — Central Furnace Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1402.2 Furnace Location
Section 1402.2 — Furnace Location. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1402.2.1 Furnace Clearances
Section 1402.2.1 — Furnace Clearances. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1402.3 Furnace Plenums and Air Ducts
Section 1402.3 — Furnace Plenums and Air Ducts. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1403.1 Hydronic Heating Systems
Section 1403.1 — Hydronic Heating Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1403.1.1 Heat Pump Equipment
Section 1403.1.1 — Heat Pump Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1403.2 Boiler Installation
Section 1403.2 — Boiler Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1403.3 Expansion Tanks
Section 1403.3 — Expansion Tanks. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1404.1 Heat Pump Equipment
Section 1404.1 — Heat Pump Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1404.1.1 Boiler Installation
Section 1404.1.1 — Boiler Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1404.2 Heat Pump Installation
Section 1404.2 — Heat Pump Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1404.2.1 Boiler Safety Controls
Section 1404.2.1 — Boiler Safety Controls. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1405.1 Cooling Equipment
Section 1405.1 — Cooling Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1405.2 Condensate Disposal
Section 1405.2 — Condensate Disposal. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1406.1 Radiant Heating Systems
Section 1406.1 — Radiant Heating Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1502.1 Dryer Exhaust General
Section 1502.1 — Dryer Exhaust General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1503.3 Kitchen Exhaust Rate
Section 1503.3 — Kitchen Exhaust Rate. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 1505.1 General - Whole-House Ventilation
Section 1505.1 — General - Whole-House Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1401.1 Heating Equipment Installation
Section M1401.1 — Heating Equipment Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1401.1.1 Heating and Cooling Design
Section M1401.1.1 — Heating and Cooling Design. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1401.2 Equipment Selection IRC
Section M1401.2 — Equipment Selection IRC. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1401.3 Equipment and appliance installation
Section M1401.3 — Equipment and appliance installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1401.4 Heat Pump Installation
Section M1401.4 — Heat Pump Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1401.5 Electric Baseboard Heaters
Section M1401.5 — Electric Baseboard Heaters. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] M1402.1 Central Furnaces
Section M1402.1 — Central Furnaces. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1402.2 Supply Air
Section M1402.2 — Supply Air. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1402.3 Central Furnace Plenums
Section M1402.3 — Central Furnace Plenums. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1403.1 Heat pump equipment
Section M1403.1 — Heat pump equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1403.2 Filter Access
Section M1403.2 — Filter Access. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1404.1 Room Heaters
Section M1404.1 — Room Heaters. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1404.2 Refrigerant Line Insulation
Section M1404.2 — Refrigerant Line Insulation. This section addresses energy conservation requirements including thermal performance and building envelope specifications. Refer to the official code text for complete requirements.
[F] M1405.1 Baseboard Convectors
Section M1405.1 — Baseboard Convectors. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1406.1 Radiant heating panels
Section M1406.1 — Radiant heating panels. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1407.1 Ground Source Heat Pumps
Section M1407.1 — Ground Source Heat Pumps. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1408.1 Vented Floor Furnaces
Section M1408.1 — Vented Floor Furnaces. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1409.1 Vented Wall Furnaces
Section M1409.1 — Vented Wall Furnaces. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1410.1 Vented Room Heaters
Section M1410.1 — Vented Room Heaters. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1411.1 Central Air Conditioning - General
Section M1411.1 — Central Air Conditioning - General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1411.2 Condensate Disposal
Section M1411.2 — Condensate Disposal. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1411.3 Condensate Disposal
Section M1411.3 — Condensate Disposal. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1412.1 Absorption Cooling Equipment
Section M1412.1 — Absorption Cooling Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1413.1 Evaporative Cooling Equipment
Section M1413.1 — Evaporative Cooling Equipment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1501 General — Exhaust Systems
Section M1501 — General — Exhaust Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1501.1 Scope
Section M1501.1 — Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] M1501.2 Duct Materials
Section M1501.2 — Duct Materials. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1502 Dryer Exhaust
Section M1502 — Dryer Exhaust. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1502.1 General Dryer Exhaust
Section M1502.1 — General Dryer Exhaust. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1502.2 Dryer Duct Termination
Section M1502.2 — Dryer Duct Termination. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1502.3 Dryer Exhaust Duct Length Reduction
Section M1502.3 — Dryer Exhaust Duct Length Reduction. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1502.4 Dryer Duct Length
Section M1502.4 — Dryer Duct Length. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1502.5 Dryer Duct Material
Section M1502.5 — Dryer Duct Material. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1503 Range Hoods
Section M1503 — Range Hoods. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1503.1 General - Range Hoods
Section M1503.1 — General - Range Hoods. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1503.2 Range Hood Duct Material
Section M1503.2 — Range Hood Duct Material. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1503.3 Range Hood Makeup Air
Section M1503.3 — Range Hood Makeup Air. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1504.1 Bathroom Exhaust
Section M1504.1 — Bathroom Exhaust. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] M1505.1 General Ventilation
Section M1505.1 — General Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R1401.1 Scope — Heating and Cooling
Section R1401.1 — Scope — Heating and Cooling. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] R1402.1 Central Furnaces
Section R1402.1 — Central Furnaces. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R1402.2 Clearances
Section R1402.2 — Clearances. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R1403.1 Warm-Air Furnace Location
Section R1403.1 — Warm-Air Furnace Location. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R1403.2 Furnace Access
Section R1403.2 — Furnace Access. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R1404.1 Exterior Wall Covering
Section R1404.1 — Exterior Wall Covering. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R1405.1 Vinyl Siding
Section R1405.1 — Vinyl Siding. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R1405.2 Masonry Veneer Attachment
Section R1405.2 — Masonry Veneer Attachment. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] R1405.3 EIFS Installation
Section R1405.3 — EIFS Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.