2021 International Residential Code for One- and Two-Family Dwellings – IRC-2021
The 2021 International Residential Code® (IRC) sets minimum requirements for one- and two-family dwellings and townhouses up to three stories. This official ICC model code consolidates building, mechanical, plumbing, energy, fuel gas, and electrical standards into one unified guide for home construction compliance.
Highlights:
- Covers structural, mechanical, plumbing, HVAC, energy, and electrical systems
- Offers both prescriptive rules and performance-based design flexibility
- Aligns with 2021 I-Codes® for integrated, multi-discipline compliance
- Includes updated energy provisions (NFPA 70, IECC) and appendices for solar, radon, and 3D-printed construction
Who It’s For:
Builders, code officials, engineers, and inspectors involved in residential code compliance, permitting, inspection preparation, or professional reference.
IRC-2021
2021 International Residential Code for One- and Two-Family Dwellings – IRC-2021
The 2021 International Residential Code® (IRC) sets minimum requirements for one- and two-family dwellings and townhouses up to three stories. This official ICC model code consolidates building, mechanical, plumbing, energy, fuel gas, and electrical standards into one unified guide for home construction compliance.
Highlights:
- Covers structural, mechanical, plumbing, HVAC, energy, and electrical systems
- Offers both prescriptive rules and performance-based design flexibility
- Aligns with 2021 I-Codes® for integrated, multi-discipline compliance
- Includes updated energy provisions (NFPA 70, IECC) and appendices for solar, radon, and 3D-printed construction
Who It’s For:
Builders, code officials, engineers, and inspectors involved in residential code compliance, permitting, inspection preparation, or professional reference.
IRC-2021
2021 International Swimming Pool and Spa Code – ISPSC-2021
The 2021 International Swimming Pool and Spa Code® (ISPSC) provides comprehensive regulations for the safe design, construction, and maintenance of swimming pools, spas, hot tubs, and aquatic facilities. Applicable to both residential and public installations, it promotes user health and safety while ensuring alignment with the full suite of 2021 I-Codes.
Highlights:
- Regulates private and public pools, spas, exercise spas, aquatic recreation areas, and portable residential units
- Developed with the Pool and Hot Tub Alliance to integrate sanitation, safety, and emergency response best practices
- Provides standards for circulation systems, barriers, decking, diving boards, entrapment prevention, and signage
- Fully compatible with IBC, IPC, IRC, and other 2021 I-Codes for streamlined enforcement
- Supports both building departments and health agencies through coordinated review and inspection procedures
- Incorporates updates from 2015 and 2018 editions via the ICC’s open code development process
Who It’s For:
Designers, contractors, inspectors, and health officials involved in pool and spa planning, construction, or code enforcement.
ISPSC-2021
2021 International Swimming Pool and Spa Code – ISPSC-2021
The 2021 International Swimming Pool and Spa Code® (ISPSC) provides comprehensive regulations for the safe design, construction, and maintenance of swimming pools, spas, hot tubs, and aquatic facilities. Applicable to both residential and public installations, it promotes user health and safety while ensuring alignment with the full suite of 2021 I-Codes.
Highlights:
- Regulates private and public pools, spas, exercise spas, aquatic recreation areas, and portable residential units
- Developed with the Pool and Hot Tub Alliance to integrate sanitation, safety, and emergency response best practices
- Provides standards for circulation systems, barriers, decking, diving boards, entrapment prevention, and signage
- Fully compatible with IBC, IPC, IRC, and other 2021 I-Codes for streamlined enforcement
- Supports both building departments and health agencies through coordinated review and inspection procedures
- Incorporates updates from 2015 and 2018 editions via the ICC’s open code development process
Who It’s For:
Designers, contractors, inspectors, and health officials involved in pool and spa planning, construction, or code enforcement.
ISPSC-2021