2021 International Residential Code
$189.99
- The 2021 International Residential Code (IRC) provides comprehensive regulations for the design, construction, and inspection of one- and two-family dwellings and townhouses up to three stories. It encompasses all aspects of residential construction, including building, plumbing, mechanical, fuel gas, and electrical systems. The 2021 edition introduces several significant updates and clarifications to enhance safety, efficiency, and adaptability in residential buildings.
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2021 International Residential Code
Book Overview
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- The 2021 International Residential Code comprises all building, plumbing, mechanical, fuel gas and electrical requirements for one- and two-family dwellings and townhouses up to three stories.
- Key Aspects:
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- Structural Design and Load Requirements
- Tall Wood and Mass Timber Allowances
- Fire Safety Improvements
- Means of Egress and Emergency Escape
- Mechanical, Fuel Gas, and Ventilation Updates
- Plumbing System Improvements
- Electrical Safety and System Updates
- Energy Efficiency
- Water Management and Moisture Control
- Alternative Construction Methods
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- Highlights Changes To Include:
- Braced wall lines must be placed on a physical wall or placed between multiple walls.
- The rated separation for two-family dwellings is 1 hour whether or not a lot line exists between units.
- Emergency escape and rescue openings require a clear 36-inch-wide path to a public way.
- An engineered design is required for storm shelters.
- A habitable attic is limited to one-half the area of the story below and the dwelling requires sprinklers.
- Updated Wind Speed maps match IBC and ASCE 7 maps.
- Deck design now considers snow load, tributary area for footing and post height, and guard details.
- Specific requirements for deck guardrails were added.
- Component and cladding wind pressures in Table R301.2(2) are updated for new design wind speeds and hip or gable roof profiles.
- Minimum footing size tables are revised to more accurately reflect current practice.
- Cripple wall requirements apply only to exterior cripple walls.
- New appendices for cob construction and 3D printed construction are added.
- A 30 percent reduction of airflow is permitted for balanced ventilation systems.
- Commercial gas cooking appliances are prohibited.
- The head pressure for a water test of DWV systems increased to 10 feet.
- Air vacuum testing is now permitted for plastic piping DWV systems.
- Section P2904 for dwelling sprinklers is expanded to more closely align with NFPA 13D.
- An emergency service disconnect is required in a readily accessible outdoor location.
- A surge-protective device (SPD) is now required at the service panel.
- The number of receptacle outlets required for peninsular and island countertops in kitchens is determined by the area of the countertop surface.
- GFCI protection is now required for damp and wet locations not included in the other 10 areas requiring GFCI protection.
Key Features & Benefits
- The 2021 International Residential Code (IRC) provides comprehensive regulations for the design and construction of one- and two-family dwellings and townhouses up to three stories. It integrates building, plumbing, mechanical, fuel gas, energy, and electrical requirements into a single code for residential construction.
- The 2021 International Residential Code (IRC) lies in its role as the foundational regulatory framework guiding the design, construction, alteration, and maintenance of residential buildings—primarily one- and two-family homes and townhouses up to three stories. It ensures these dwellings are safe, healthy, energy-efficient, and structurally sound.
The 2021 International Residential Code (IRC) is designed to help candidates—such as contractors, building inspectors, plans examiners, and code officials—master the knowledge and application of the IRC required to pass certification and licensing exams related to residential construction.
- The 2021 International Residential Code (IRC) incorporates a variety of visual and organizational tools designed to help users—builders, designers, inspectors, and students—navigate, understand, and apply the code more efficiently and accurately. These tools make complex information clearer, improve readability, and streamline compliance.
Book Details
- Publisher: International Code Council
- Edition/Release Date: 1st edition (March 11, 2021)
- ISBN: 978-1609839574
- Pages: 1108
- Dimensions : 8.5 x 2.25 x 10.75 inches
- Format: Paperback / Softbound
Target Audience: Professionals
Pricing & Purchase Information
• Price: $189.99
• Shipping: Free shipping on orders over $250.
• Formats Available: Physical Book
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Ensure you and your team are up-to-date with the 2021 International Residential Code and stay compliant with ease.
Click below to order your copy of 2021 International Residential Code today!
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