Apprentice Training, structural & framing

Roof Collar Ties & Ridge Metal Strapping

2x6 rafters (16 in O.C.), 2x8 ridge, 2x4 collar ties in upper third

Time: 1 h 30 min
People: One
Level

Before you start

Clear 3 × 2.5 m of floor and lay out the parts.
17 parts and 94 fasteners in 5 steps.
You'll want a claw hammer and a tape measure and a spirit level.
Do not confuse collar ties with ceiling joists; collar ties in the upper third cannot prevent wall spread alone.
Never remove temporary ceiling propping until both sides of rafter collar ties are securely spiked.

Apprentice Training & Risk NoticeEducational training demonstration only. Risk: Real-world structural lumber sizing, spans, and fastener schedules carry legal liability and must comply with local building codes (IRC/IBC/OSHA) and certified engineering.

Apprentice Training, structural & framing

Roof Collar Ties & Ridge Metal Strapping

2x6 rafters (16 in O.C.), 2x8 ridge, 2x4 collar ties in upper third

Time: 1 h 30 min
People: One
Level

Before you start

Clear 3 × 2.5 m of floor and lay out the parts.
17 parts and 94 fasteners in 5 steps.
You'll want a claw hammer and a tape measure and a spirit level.
Do not confuse collar ties with ceiling joists; collar ties in the upper third cannot prevent wall spread alone.
Never remove temporary ceiling propping until both sides of rafter collar ties are securely spiked.