Adopts With Amendments
Chapter 25
Gypsum Board, Gypsum Panel Products, and Plaster
International Building Code 2021
[F] 2501 General
Section 2501 — 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] 2501.1 Gypsum Board Gypsum Panel Products and Plaster - Scope
Section 2501.1 — Gypsum Board Gypsum Panel Products and Plaster - 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] 2501.1.1 Gypsum Board Standards
Section 2501.1.1 — Gypsum Board 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] 2501.1.2 Gypsum Board Types
Section 2501.1.2 — Gypsum Board Types. 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] 2501.1.3 Type X Gypsum Board
Section 2501.1.3 — Type X Gypsum Board. 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] 2501.2 Gypsum Board and Plaster Scope
Section 2501.2 — Gypsum Board and Plaster 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] 2501.2.1 Gypsum Board and Plaster Scope
Section 2501.2.1 — Gypsum Board and Plaster 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] 2502 Definitions
Section 2502 — 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] 2502.1 Definitions - Gypsum
Section 2502.1 — Definitions - Gypsum. 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] 2502.1.1 Type X Gypsum Board
Section 2502.1.1 — Type X Gypsum Board. 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] 2502.1.2 Joint Treatment
Section 2502.1.2 — Joint Treatment. 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] 2502.1.3 Moisture-Resistant Board
Section 2502.1.3 — Moisture-Resistant Board. 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] 2502.1.4 Cement Board
Section 2502.1.4 — Cement Board. 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] 2502.1.5 Veneer Plaster
Section 2502.1.5 — Veneer Plaster. 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] 2502.2 Application
Section 2502.2 — Application. 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] 2503 Inspection
Section 2503 — Inspection. 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] 2503.1 Lath and Plaster Materials
Section 2503.1 — Lath and Plaster Materials. 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] 2503.1.1 Gypsum Board Application
Section 2503.1.1 — Gypsum Board Application. 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] 2503.2 Weather protection
Section 2503.2 — Weather 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] 2504 Vertical and Horizontal Assemblies
Section 2504 — Vertical and Horizontal 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] 2504.1 Gypsum Board and Gypsum Panel Product Materials
Section 2504.1 — Gypsum Board and Gypsum Panel Product Materials. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 2504.1.1 Gypsum Board in Wet Areas
Section 2504.1.1 — Gypsum Board in Wet 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] 2504.2 Vertical and Horizontal Assemblies
Section 2504.2 — Vertical and Horizontal 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] 2505 Shear Wall Construction
Section 2505 — Shear Wall Construction. 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] 2505.1 Horizontal assemblies
Section 2505.1 — Horizontal 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] 2505.2 Shear resistance
Section 2505.2 — Shear resistance. 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] 2506 Gypsum Plaster
Section 2506 — Gypsum Plaster. 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] 2506.1 Gypsum Sheathing
Section 2506.1 — Gypsum Sheathing. 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] 2506.2 Standards - Gypsum Board Materials
Section 2506.2 — Standards - Gypsum Board Materials. 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] 2507 Portland Cement Plaster (Stucco)
Section 2507 — Portland Cement Plaster (Stucco). 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] 2507.1 Lathing and Furring for Cement Plaster
Section 2507.1 — Lathing and Furring for Cement Plaster. 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] 2507.2 Weather protection
Section 2507.2 — Weather 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] 2508 Gypsum Construction
Section 2508 — Gypsum Construction. 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] 2508.1 Gypsum board in showers and water closets
Section 2508.1 — Gypsum board in showers and water closets. 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] 2508.1.1 Gypsum Board Fastening Requirements
Section 2508.1.1 — Gypsum Board Fastening 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] 2508.2 Plaster Proportioning and Application
Section 2508.2 — Plaster Proportioning and Application. 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] 2508.3 Proportioning - Gypsum Plaster
Section 2508.3 — Proportioning - Gypsum Plaster. 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] 2508.4 Gypsum Plaster Thickness
Section 2508.4 — Gypsum Plaster Thickness. 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] 2509.1 Showers and Water Closets
Section 2509.1 — Showers and Water Closets. 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] 2509.2 Cement Plaster Thickness
Section 2509.2 — Cement Plaster Thickness. 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] 2510.1 Cement Plaster Application
Section 2510.1 — Cement Plaster Application. 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] 2510.2 Water-resistive barriers
Section 2510.2 — Water-resistive barriers. 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] 2510.3 Weather-Resistant Barrier
Section 2510.3 — Weather-Resistant Barrier. 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] 2510.5 Special Inspections - EIFS
Section 2510.5 — Special Inspections - EIFS. 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] 2510.6 Stucco Mix Design
Section 2510.6 — Stucco Mix 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] 2510.7 Stucco Curing
Section 2510.7 — Stucco Curing. 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] 2511.1 EIFS — Exterior Insulation and Finish Systems
Section 2511.1 — EIFS — Exterior Insulation and Finish Systems. This section addresses energy conservation requirements including thermal performance and building envelope specifications. Refer to the official code text for complete requirements.
[F] 2511.2 Interior cement plaster
Section 2511.2 — Interior cement plaster. 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] 2512.1 General - Exterior Insulation and Finish Systems (EIFS)
Section 2512.1 — General - Exterior Insulation and Finish Systems (EIFS). This section addresses energy conservation requirements including thermal performance and building envelope specifications. Refer to the official code text for complete requirements.
[F] 2512.2 Exterior gypsum soffit board
Section 2512.2 — Exterior gypsum soffit board. 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.