Adopts With Amendments
Chapter 5
General Building Heights and Areas
International Building Code 2021
[F] 501.1 General Building Heights and Areas Scope
Section 501.1 — General Building Heights and Areas 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] 501.1.1 General Building Heights and Areas
Section 501.1.1 — General Building Heights and 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] 501.2.1 General Building Heights and Areas Scope
Section 501.2.1 — General Building Heights and Areas 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] 501.3 Address Identification
Section 501.3 — Address Identification. 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] 502.1 Address Identification
Section 502.1 — Address Identification. 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] 502.1.1 Type IA Construction Details
Section 502.1.1 — Type IA Construction Details. 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] 502.1.2 Type IB Construction Details
Section 502.1.2 — Type IB Construction Details. 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] 502.2 Building Area Modifications
Section 502.2 — Building Area Modifications. 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] 502.3 Number of stories limitations
Section 502.3 — Number of stories limitations. 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] 503.1 General Height and Area Limitations
Section 503.1 — General Height and Area Limitations. 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] 503.1.1 Special Industrial Occupancies
Section 503.1.1 — Special Industrial Occupancies. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 503.1.2 Number of Stories
Section 503.1.2 — Number of Stories. 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] 503.1.3 Area Limitations
Section 503.1.3 — Area Limitations. 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] 503.2 Building area limitations
Section 503.2 — Building area limitations. 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] 503.3 Allowable Building Area
Section 503.3 — Allowable Building 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] 504.1 Building Height - General
Section 504.1 — Building Height - General. 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] 504.1.1 Height Modifications
Section 504.1.1 — Height Modifications. 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] 504.2 Automatic Sprinkler System Increase
Section 504.2 — Automatic Sprinkler System Increase. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 504.2.1 Sprinkler Height Increase Exceptions
Section 504.2.1 — Sprinkler Height Increase Exceptions. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 504.3 Number of stories
Section 504.3 — Number of stories. 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] 504.4 Number of stories above grade plane
Section 504.4 — Number of stories above grade plane. 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] 505.1 Mezzanines
Section 505.1 — Mezzanines. 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] 505.1.1 Mezzanines
Section 505.1.1 — Mezzanines. 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] 505.2 Mezzanine Area Limitations
Section 505.2 — Mezzanine Area Limitations. 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] 505.2.1 Mezzanine Industrial Exception
Section 505.2.1 — Mezzanine Industrial Exception. 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] 505.3 Mezzanine Egress
Section 505.3 — Mezzanine Egress. This section addresses means of egress requirements including travel distances, widths, and component specifications. Refer to the official code text for complete requirements.
[F] 505.4 Mezzanine Openness
Section 505.4 — Mezzanine Openness. 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] 505.4.1 Mezzanine Industrial Enclosure Exception
Section 505.4.1 — Mezzanine Industrial Enclosure Exception. 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] 506.1 Building area general
Section 506.1 — Building area general. 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] 506.1.1 Allowable Area Increase for Sprinkler Systems
Section 506.1.1 — Allowable Area Increase for Sprinkler Systems. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 506.2 Allowable Area - Base
Section 506.2 — Allowable Area - Base. 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] 506.2.1 Frontage area increase
Section 506.2.1 — Frontage area increase. 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] 506.2.2 Sprinkler area increase
Section 506.2.2 — Sprinkler area increase. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 506.2.3 Area determination
Section 506.2.3 — Area determination. 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] 506.3 Automatic Sprinkler System Area Increase
Section 506.3 — Automatic Sprinkler System Area Increase. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 506.4 Combined height and area increases
Section 506.4 — Combined height and area increases. 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] 507.1 Unlimited Area Buildings
Section 507.1 — Unlimited Area Buildings. 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] 507.1.1 Unlimited Area Buildings
Section 507.1.1 — Unlimited Area Buildings. 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] 507.2 Unlimited area Group B, F, M and S
Section 507.2 — Unlimited area Group B, F, M and S. 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] 507.3 Sprinklered One Story - Unlimited Area
Section 507.3 — Sprinklered One Story - Unlimited Area. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 507.4 Unlimited Area - Two Story Group B, F, M, or S
Section 507.4 — Unlimited Area - Two Story Group B, F, M, or S. 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] 507.5 Unlimited Area - Group A-4
Section 507.5 — Unlimited Area - Group A-4. 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] 508.1 Mixed Use and Occupancy - General
Section 508.1 — Mixed Use and Occupancy - General. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 508.1.1 Mixed Occupancy
Section 508.1.1 — Mixed Occupancy. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 508.2 Accessory Occupancies
Section 508.2 — Accessory Occupancies. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 508.2.1 Accessory Area Limitations
Section 508.2.1 — Accessory Area Limitations. 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] 508.3 Nonseparated Occupancies
Section 508.3 — Nonseparated Occupancies. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 508.3.1 Applicable Code Requirements
Section 508.3.1 — Applicable Code 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] 508.4 Required separation of occupancies
Section 508.4 — Required separation of occupancies. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 508.4.1 Separation Required
Section 508.4.1 — Separation Required. 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] 508.4.2 Separation Required
Section 508.4.2 — Separation Required. 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] 508.4.4 Separation Table
Section 508.4.4 — Separation Table. 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] 508.4(T) Required Separation of Occupancies Table
Section 508.4(T) — Required Separation of Occupancies Table. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 509.1 Special provisions
Section 509.1 — Special provisions. 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] 509.1.1 Incidental Uses
Section 509.1.1 — Incidental Uses. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 509.2 Horizontal Building Separation Allowance
Section 509.2 — Horizontal Building Separation Allowance. 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] 509.3 Area Limitations
Section 509.3 — Area Limitations. 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] 509.4 Separation and Protection
Section 509.4 — Separation and 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] 509.5 Group R above Group S-2
Section 509.5 — Group R above Group S-2. 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] 510.1 General - Special Provisions
Section 510.1 — General - Special Provisions. 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] 510.2 Horizontal building separation allowance
Section 510.2 — Horizontal building separation allowance. 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] 510.3 Group S-2 Enclosed or Open Parking Garage
Section 510.3 — Group S-2 Enclosed or Open Parking Garage. 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] 510.4 Parking beneath a Group R or S occupancy
Section 510.4 — Parking beneath a Group R or S occupancy. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 510.5 Group R-2 building on podium
Section 510.5 — Group R-2 building on podium. 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] 510.6 Group R-2 building above Group S-2
Section 510.6 — Group R-2 building above Group S-2. 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] 510.7 Open Parking Garage Beneath Groups A, I, B, M, R, and S
Section 510.7 — Open Parking Garage Beneath Groups A, I, B, M, R, and S. 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] 602.2.1 Type IIA Construction Details
Section 602.2.1 — Type IIA Construction Details. 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] 602.2.2 Type IIB Construction Details
Section 602.2.2 — Type IIB Construction Details. 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] 602.3.1 Type IIIA Construction Details
Section 602.3.1 — Type IIIA Construction Details. 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] 602.3.2 Type IIIB Construction Details
Section 602.3.2 — Type IIIB Construction Details. 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] 602.4.1 Type IV Construction Details
Section 602.4.1 — Type IV Construction Details. 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] 602.5.1 Type VA Construction Details
Section 602.5.1 — Type VA Construction Details. 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] 602.5.2 Type VB Construction Details
Section 602.5.2 — Type VB Construction Details. 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.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.