T4 — Human-essentialPhase 7 of 13
Fire Blocking & Draft Stopping
Mechanical Rough-In
Description
Install fire blocking at floor/ceiling intersections, soffits, dropped ceilings, and around penetrations. Required by IRC R302.11 to prevent fire and smoke spread through concealed spaces. Often overlooked — critical code compliance item.
Tools (ML1 Confirmed)
- circular saw
- caulk gun
- fire rated foam
- hand tools
Atomic Primitives
cutsealfillverify
2-3
Crew Size
4-6h
Estimated Hours
7
Phase
T4
Robot Tier
Other Tasks in Phase 7: Mechanical Rough-In
Related Resources
fire blocking residentialdraft stopping constructionIRC fire blockingconcealed space fire stop