2021 International Mechanical Code (International Code Council Series)

2021 International Mechanical Code (IMC)

The 2021 International Mechanical Code (IMC) establishes minimum requirements for mechanical systems through comprehensive prescriptive and performance-based provisions. Developed around broad-based principles, the IMC provides flexibility for the use of innovative materials, technologies, methods, and mechanical system designs.

The 2021 edition includes important updates affecting ventilation, exhaust systems, duct construction, fire and smoke protection, refrigerants, condensate management, and commercial equipment. It is an essential reference for mechanical contractors, engineers, architects, inspectors, designers, and construction professionals.

Key Updates in the 2021 IMC

• Clothes dryer exhaust terminals must be located at least 3 feet from openings into a building.

• Polyurethane spray-applied foam used on the exterior of ducts in attics and crawl spaces must meet specified smoke and flame index limits.

• Fire and smoke dampers must include approved access for inspection and maintenance.

• Refrigerant tables have been updated to include new refrigerants.

• New requirements address condensate termination identification markings and discharge restrictions.

• Approved factory-built combination intake/exhaust terminations are permitted, relaxing certain separation requirements.

• Minimum mechanical ventilation for whole-house balanced ventilation systems may be reduced by 30%.

• Manicure and pedicure station exhaust systems are required to operate continuously.

• Grease duct horizontal cleanouts are required within 3 feet of a horizontal discharge fan.

Ideal For

The 2021 IMC is a valuable reference for:

• Mechanical contractors

• HVAC professionals

• Mechanical engineers

• Architects and designers

• Building and mechanical inspectors

• Construction professionals

• Code officials

• HVAC and mechanical engineering students

Product Details

• Publisher ‏ : ‎ ICC (distributed by Cengage Learning)
• Publication date ‏ : ‎ March 6, 2020
• Edition ‏ : ‎ 1st
• Language ‏ : ‎ English
• Print length ‏ : ‎ 325 pages
• ISBN-10 ‏ : ‎ 1609839641
• ISBN-13 ‏ : ‎ 978-1609839642
• Item Weight ‏ : ‎ 1.25 pounds
• Dimensions ‏ : ‎ 8.5 x 0.5 x 10.75 inches

Whether you're designing mechanical systems, performing HVAC installations, conducting inspections, or studying mechanical code requirements, the 2021 International Mechanical Code provides a practical reference for current mechanical system regulations.

Add the 2021 IMC to your professional code library today.