Apprentice Training, structural & framing

Shed Roof Framing with Birdsmouth Rafter Cuts

2x8 rafters (24 in O.C.), 4:12 pitch birdsmouth, structural ledger

Time: 3 h
People: Two
Level

Before you start

Clear 3.5 × 3 m of floor and lay out the parts.
15 parts and 175 fasteners in 5 steps.
You'll want a claw hammer and a spanners and a tape measure and a drill and a marker and a spirit level.
Over-cutting the birdsmouth seat into the rafter body significantly weakens the cantilever tail.
Temporary rafter brace sticks must remain securely nailed until roof collar ties or sheathing is applied.

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

Shed Roof Framing with Birdsmouth Rafter Cuts

2x8 rafters (24 in O.C.), 4:12 pitch birdsmouth, structural ledger

Time: 3 h
People: Two
Level

Before you start

Clear 3.5 × 3 m of floor and lay out the parts.
15 parts and 175 fasteners in 5 steps.
You'll want a claw hammer and a spanners and a tape measure and a drill and a marker and a spirit level.
Over-cutting the birdsmouth seat into the rafter body significantly weakens the cantilever tail.
Temporary rafter brace sticks must remain securely nailed until roof collar ties or sheathing is applied.