Energy · IECC 2021 §R402.4.5
Recessed Luminaire Air Sealing
Ceiling section of a recessed luminaire in the thermal envelope: IC-rated and labeled for 2.0 cfm maximum leakage at 75 Pa, sealed with a gasket or caulk between housing and ceiling covering.. Referenced to IECC 2021 §R402.4.5.
The full text is for BuildSpec members
Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.
- The annotated detail diagram with dimension callouts
- The code section it illustrates, in full
- Related diagrams in the same category
- Download and insert into a project
No card required. After the 14-day trial, plans start at $29/mo.
Our previews are real data — live counts, no placeholders. We publish our error log →