T2 — Medium-term automationPhase 5 of 13
Collar Ties & Rafter Ties
Framing — Roof
Description
Install collar ties in upper third of rafter span to prevent ridge separation, and rafter ties at plate level to resist thrust. Required on every other rafter pair minimum. Alternative: structural ridge beam eliminates need for ties.
Tools (ML1 Confirmed)
- framing nailer
- circular saw
- tape measure
- hand tools
Atomic Primitives
cutpositionfastenverify
2-3
Crew Size
3-5h
Estimated Hours
5
Phase
T2
Robot Tier
Other Tasks in Phase 5: Framing — Roof
Related Resources
collar tie installationrafter tie framingroof tie constructioncollar tie spacing