Energy · IECC 2021 §R402.2.7 / Table R402.1.3
Floor Cavity Insulation Contact With Subfloor
Three allowed ways to place floor cavity insulation: against the subfloor, on sheathing below with perimeter coverage, or on top of continuous insulation, with the floor R-value by climate zone.. Referenced to IECC 2021 §R402.2.7 / Table R402.1.3.
The rest of Floor Cavity Insulation Contact With Subfloor is for members
You're reading the opening of Floor Cavity Insulation Contact With Subfloor. Members see the complete text, every cross-reference and the tools on this page — 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 →