Description
ICC IMC – 2021 International Mechanical Code
ICC IMC-2021 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.
Product Details
- Edition:
- 1st
- Published:
- 2020
- ISBN(s):
- 9781609839642
- Number of Pages:
- 185
- File Size:
- 1 file , 7 MB
- Redline File Size:
- 2 files , 22 MB
- Product Code(s):
- 3300S21, 3300S21
- Note:
- This product is unavailable in Russia, Belarus
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