Adopts With Amendments
Chapter 12
Interior Finishes
International Residential Code 2021
[F] 1201.1 Scope
Section 1201.1 — 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] 1201.1.1 Mechanical Administration
Section 1201.1.1 — Mechanical Administration. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 1201.2 Existing Installations
Section 1201.2 — Existing Installations. 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] 1201.2.1 Mechanical Permits
Section 1201.2.1 — Mechanical Permits. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1202.1 General Ventilation
Section 1202.1 — General Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1202.1.1 Mechanical Permits Required
Section 1202.1.1 — Mechanical Permits Required. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1202.2 Natural Ventilation
Section 1202.2 — Natural Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1202.2.1 Appliance in Garages
Section 1202.2.1 — Appliance in Garages. 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] 1202.3 Mechanical Ventilation
Section 1202.3 — Mechanical Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1202.4 Whole-House Mechanical Ventilation
Section 1202.4 — Whole-House Mechanical Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1203.1 Under-Floor Ventilation
Section 1203.1 — Under-Floor Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1203.1.1 Mechanical Inspection Requirements
Section 1203.1.1 — Mechanical Inspection Requirements. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1203.2 Unvented Crawl Spaces
Section 1203.2 — Unvented Crawl Spaces. 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] 1203.3 Under-Floor Space Access
Section 1203.3 — Under-Floor Space 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] 1204.1 Equipment and Appliance Installation
Section 1204.1 — 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] 1205.1 General Exhaust Requirements
Section 1205.1 — General Exhaust Requirements. 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] 1205.2 Kitchen Exhaust
Section 1205.2 — Kitchen 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] 1205.3 Clothes Dryer Exhaust
Section 1205.3 — Clothes 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] 1205.4 Bathroom and Toilet Room Exhaust
Section 1205.4 — Bathroom and Toilet Room 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] 1206.1 Duct Systems General
Section 1206.1 — Duct Systems General. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1206.2 Duct Materials
Section 1206.2 — Duct Materials. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1206.3 Duct Insulation
Section 1206.3 — Duct Insulation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1206.4 Duct Sealing
Section 1206.4 — Duct Sealing. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1207.1 Combustion Air General
Section 1207.1 — Combustion Air 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] 1207.2 Indoor Combustion Air
Section 1207.2 — Indoor Combustion 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] 1207.3 Outdoor Combustion Air
Section 1207.3 — Outdoor Combustion 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] M1201.1 Scope
Section M1201.1 — 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] M1201.2 Existing Installations
Section M1201.2 — Existing Installations. 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] M1201.3 Existing Systems
Section M1201.3 — Existing 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] M1201.4 Appliance Installation
Section M1201.4 — 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] M1201.5 Appliance Access
Section M1201.5 — Appliance 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] M1202.1 Existing installations
Section M1202.1 — Existing installations. 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] M1202.2 Approval
Section M1202.2 — Approval. 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] M1202.3 Installation
Section M1202.3 — 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] M1203.1 Inspections
Section M1203.1 — Inspections. 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] M1203.2 Testing
Section M1203.2 — Testing. 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] M1203.3 Prohibited locations
Section M1203.3 — Prohibited locations. 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] M1204.1 Condensate Disposal
Section M1204.1 — 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] M1204.2 Auxiliary Drain Pan
Section M1204.2 — Auxiliary Drain Pan. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] M1204.3 Condensate disposal
Section M1204.3 — 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] M1205.1 Equipment Access
Section M1205.1 — Equipment 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] M1205.2 Auxiliary drain pan depth
Section M1205.2 — Auxiliary drain pan depth. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] M1206.1 Return air openings
Section M1206.1 — Return air openings. 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] M1206.2 Prohibited sources
Section M1206.2 — Prohibited sources. 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] M1301 General Mechanical
Section M1301 — General Mechanical. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1301.1 Scope - Mechanical General
Section M1301.1 — Scope - Mechanical General. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] M1301.1.1 Heating and Cooling Load Calculations
Section M1301.1.1 — Heating and Cooling Load Calculations. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] M1301.2 Existing Installations
Section M1301.2 — Existing Installations. 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] M1301.2.1 Mechanical Equipment Listing
Section M1301.2.1 — Mechanical Equipment Listing. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1302 Approval
Section M1302 — Approval. 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] M1302.1 Mechanical System Approval
Section M1302.1 — Mechanical System Approval. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1302.1.1 Mechanical Equipment Access
Section M1302.1.1 — Mechanical Equipment Access. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1302.2.1 Appliance Clearances
Section M1302.2.1 — Appliance 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] M1303.1 Mechanical Equipment Location
Section M1303.1 — Mechanical Equipment Location. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1303.1.1 Condensate Disposal
Section M1303.1.1 — 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] M1303.2.1 Auxiliary Drain Pan
Section M1303.2.1 — Auxiliary Drain Pan. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] M1304.1.1 Equipment Installation on Roofs
Section M1304.1.1 — Equipment Installation on Roofs. 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] M1305.1 Appliance Access
Section M1305.1 — Appliance 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] M1305.1.1 Appliance Location Restrictions
Section M1305.1.1 — Appliance Location Restrictions. 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] M1306.1 Mechanical Clearances to Combustibles
Section M1306.1 — Mechanical Clearances to Combustibles. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1307.1 Mechanical Appliance in Garages
Section M1307.1 — Mechanical Appliance in Garages. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1308.1 Mechanical Equipment on Roofs
Section M1308.1 — Mechanical Equipment on Roofs. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] M1401 Heating and Cooling Equipment
Section M1401 — Heating and 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] M1401.1 Heating Equipment General
Section M1401.1 — Heating Equipment 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] M1401.2 Central Furnace Installation
Section M1401.2 — 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] M1401.3 Heat Pump Installation
Section M1401.3 — 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] M1402.1 Room Heaters
Section M1402.1 — 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] M1502 Clothes Dryer Exhaust
Section M1502 — Clothes 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] R1201.1 Mechanical - General
Section R1201.1 — Mechanical - General. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R1201.1.1 Interior Environment Standards
Section R1201.1.1 — Interior Environment Standards. 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] R1201.2 Approval
Section R1201.2 — Approval. 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] R1202.1 Attic Ventilation
Section R1202.1 — Attic Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R1202.2 Under-Floor Ventilation
Section R1202.2 — Under-Floor Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R1202.3 Unvented Attic and Rafter Assemblies
Section R1202.3 — Unvented Attic and Rafter Assemblies. 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] R1202.4 Crawl Space Ventilation
Section R1202.4 — Crawl Space Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R1203.1 Required Ventilation
Section R1203.1 — Required Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R303.2 Adjoining rooms ventilation
Section R303.2 — Adjoining rooms ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R303.3 Bathrooms ventilation
Section R303.3 — Bathrooms ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R303.4 Mechanical ventilation
Section R303.4 — Mechanical ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R303.5 Opening location
Section R303.5 — Opening 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] R303.6 Outside opening protection
Section R303.6 — Outside opening protection. 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] R304.2 Room dimensions
Section R304.2 — Room dimensions. 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] R304.3 Ceiling height
Section R304.3 — Ceiling height. This section covers allowable building height, area, and number of stories based on construction type and occupancy. Refer to the official code text for complete requirements.
[F] R305.2 Furred ceiling height
Section R305.2 — Furred ceiling height. This section covers allowable building height, area, and number of stories based on construction type and occupancy. 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.