International Mechanical Code Soft Cover 2021 Edition
2021 International Mechanical Code® Soft Cover
Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design.
Important changes in the edition include:
- Clothes dryer exhaust terminals required to be at least 3 feet from any opening into a building.
- Polyurethane spray-applied foam on the exterior of ducts in attics and crawl spaces required to meet specific smoke and flame index limits.
- Fire and smoke dampers must be provided with approved access for inspection and maintenance.
- Refrigerant tables updated to include new refrigerants.
- Addition of condensate termination identification markings and discharge restrictions.
- Approved factory-built combination intake/exhaust terminations permitted, relaxing separation requirement.
- 30% reduction in minimum mechanical ventilation for whole-house balanced ventilation systems.
- Continuous operation requirement for manicure and pedicure station exhaust systems.
- Grease duct horizontal cleanout required within 3 feet of a horizontal discharge fan.
Price | $125.95 |
---|---|
Customer Service | We're Here To Help Call us anytime during our customer service hours... Monday through Friday - 8:30 am to 4:30 pm (Pacific) Order Questions: TOLL FREE, 800-273-7375 (Outside the U.S. call 818-887-7828). Our Address: 8001 Canoga Avenue Canoga Park, CA 91304 US Phone: 800-275-2665 E-mail: sales@buildersbook.com |
Description | 2021 International Mechanical Code® Soft Cover Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design. Important changes in the edition include:
|