Adopts With Amendments
Chapter 12
Interior Environment
International Building Code 2021
[F] 1201 General
Section 1201 — 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] 1201.1 Scope - Interior Environment
Section 1201.1 — Scope - Interior Environment. 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 Interior Environment Scope
Section 1201.1.1 — Interior Environment 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] 1201.2 Referenced standards
Section 1201.2 — Referenced 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] 1201.2.1 Interior Environment Scope
Section 1201.2.1 — Interior Environment 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] 1201.3 Interior Environment General
Section 1201.3 — Interior Environment 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] 1202 Definitions
Section 1202 — Definitions. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 1202.1 Ventilation Required
Section 1202.1 — Ventilation Required. 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 Attic Ventilation Requirements
Section 1202.1.1 — Attic Ventilation Requirements. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1202.1.2 Reduced Attic Ventilation
Section 1202.1.2 — Reduced Attic 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 Attic Spaces
Section 1202.2 — Attic 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] 1202.2.1 Under-Floor Ventilation
Section 1202.2.1 — 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] 1202.2.2 Unventilated Crawl Spaces
Section 1202.2.2 — Unventilated Crawl Spaces. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1202.3 Under-floor ventilation
Section 1202.3 — 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] 1202.4 Under-Floor Ventilation
Section 1202.4 — 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] 1202.5 Natural Ventilation
Section 1202.5 — Natural Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1203 Ventilation
Section 1203 — 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 Ventilation
Section 1203.1 — 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 Temperature Control
Section 1203.1.1 — Temperature Control. 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] 1203.1.2 Natural Ventilation Openings
Section 1203.1.2 — Natural Ventilation Openings. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1203.1.3 Mechanical Ventilation
Section 1203.1.3 — Mechanical Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1203.2 Equipment Rooms
Section 1203.2 — Equipment Rooms. 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 Ventilation
Section 1203.3 — 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] 1203.4 Enclosed parking garages
Section 1203.4 — Enclosed parking 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] 1203.5 Natural Ventilation
Section 1203.5 — Natural Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1204 Temperature Control
Section 1204 — Temperature Control. 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 Temperature control
Section 1204.1 — Temperature control. 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] 1204.1.1 Natural Ventilation Requirements
Section 1204.1.1 — Natural Ventilation Requirements. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 1204.2 Natural Light
Section 1204.2 — Natural Light. 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] 1204.3 Natural Lighting
Section 1204.3 — Natural Lighting. 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] 1204.4 Parking garage lighting
Section 1204.4 — Parking garage lighting. 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] 1204.5 Artificial Light
Section 1204.5 — Artificial Light. 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 Lighting
Section 1205 — Lighting. 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 Sound Transmission
Section 1205.1 — Sound Transmission. 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] 1205.1.1 Lighting Requirements
Section 1205.1.1 — Lighting 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 Natural Light
Section 1205.2 — Natural Light. 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 Room Width
Section 1205.3 — Room Width. 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 Light wells
Section 1205.4 — Light wells. 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 Yards and Courts
Section 1206 — Yards and Courts. 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 Sound Transmission General
Section 1206.1 — Sound Transmission 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] 1206.1.1 Room Dimensions
Section 1206.1.1 — 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] 1206.2 Airborne Sound
Section 1206.2 — Airborne Sound. 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] 1206.3 Sound Transmission - Structure-Borne Sound
Section 1206.3 — Sound Transmission - Structure-Borne Sound. 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 Sound Transmission
Section 1207 — Sound Transmission. 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] 1207.1 Sound Transmission - Dwelling Units
Section 1207.1 — Sound Transmission - Dwelling Units. 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 Minimum Room Area
Section 1207.2 — Minimum Room Area. 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] 1207.3 Structure-Borne Sound - IIC
Section 1207.3 — Structure-Borne Sound - IIC. 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] 1208 Minimum Room Dimensions
Section 1208 — Minimum 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] 1208.1 Interior Space Dimensions - Minimum Room Widths
Section 1208.1 — Interior Space Dimensions - Minimum Room Widths. 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] 1208.2 Interior Space Dimensions - Minimum Ceiling Height
Section 1208.2 — Interior Space Dimensions - Minimum 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] 1208.3 Minimum Areas
Section 1208.3 — Minimum Areas. 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] 1208.4 Efficiency Dwelling Units
Section 1208.4 — Efficiency Dwelling Units. 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] 1210.1 General - Toilet and Bathroom Requirements
Section 1210.1 — General - Toilet and Bathroom 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.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.