• Codes
  • Features
  • Pricing
  • Login
  • Sign Up
Sign Up
Login
  • Code Library
  • Features
  • Pricing
  • About
  • Careers
  • Contact
  • Terms
  • Privacy
Sign Up
Upgrade to premium.
Simplify code analysis.


START 2 WEEK FREE TRIAL LEARN ABOUT PREMIUM
Upgrade to Premium
Code calculators: Code Calculators automatically generates a detailed list of requirements.
REFERENCE
Amendment Styling
Industry-leading search
Suggested code sections
RESEARCH
Code calculators
Filter by topic
Code compare
Code sheet exports
COLLABORATION
Team projects
Bookmarks
Comments
START 2 WEEK FREE TRIAL
Have an account? Sign in
// CODE SNIPPET

R403.2.1 Insulation (Prescriptive)

FBC, Energy Conservation 2014 > 4 [RE] Residential Energy Efficiency > R403 Systems > R403.2 Ducts > R403.2.1 Insulation (Prescriptive)
JUMP TO FULL CODE CHAPTER

Supply ducts in attics shall be insulated to a minimum of R-8. All other ducts shall be insulated to a minimum of R-6.

Exception: Ducts or portions thereof located completely inside the building thermal envelope.

Related Code Sections


R403.2.1 [RE] Residential Energy Efficiency, Insulation (Prescriptive)
Supply ducts in attics shall be insulated to a minimum of R-8. All other ducts shall be insulated to a minimum of R-6. Exception: Ducts ...
FBC, Energy Conservation 2014 > 4 [RE] Residential Energy Efficiency > R403 Systems > R403.2 Ducts > R403.2.1 Insulation (Prescriptive)
R403.3.1 [RE] Residential Energy Efficiency, Insulation (Prescriptive)
Supply and return ducts in attics shall be insulated to a minimum of R-8 where 3 inches (76 mm) in diameter and greater and R-6 where less than 3 ...
FBC, Energy Conservation 2017 > 4 [RE] Residential Energy Efficiency > R403 Systems > R403.3 Ducts > R403.3.1 Insulation (Prescriptive)
C402.2 [CE] Commercial Energy Efficiency, Specific Insulation Requirements (Prescriptive)
Opaque assemblies shall comply with Table C402.2. Where two or more layers of continuous insulation board are used in a construction assembly ...
FBC, Energy Conservation 2014 > 4 [CE] Commercial Energy Efficiency > C402 Building Envelope Requirements > C402.2 Specific Insulation Requirements (Prescriptive)
R402.2 [RE] Residential Energy Efficiency, Specific Insulation Requirements (Prescriptive)
In addition to the requirements of Section R402.1, insulation shall meet the specific requirements of Sections R402.2.1 through R402.2.13 ...
FBC, Energy Conservation 2017 > 4 [RE] Residential Energy Efficiency > R402 Building Thermal Envelope > R402.2 Specific Insulation Requirements (Prescriptive)
R402.2 [RE] Residential Energy Efficiency, Specific Insulation Requirements (Prescriptive)
In addition to the requirements of Section R402.1, insulation shall meet the specific requirements of Sections R402.2.1 through R402.2.13 ...
FBC, Energy Conservation 2014 > 4 [RE] Residential Energy Efficiency > R402 Building Thermal Envelope > R402.2 Specific Insulation Requirements (Prescriptive)
Calculate Code Requirements

Code Calculators automatically generate a detailed list of requirements.

Upgrade to premium to access these features.


LEARN MORE
About UpCodes

UpCodes provides an intuitive resource to navigate building regulations.

Codes are organized by jurisdiction to help you understand which regulations apply to your project.


Find Your Codes
Contact Us Privacy Terms