Apprentice Training, framing & carpentry

Floor Framing: Stairwell Opening (Double Headers & Trimmers)

Double trimmer joists, double headers, tail joists and metal joist hangers

Mid-span solid blocking, adhesive and 3/4 in T&G subfloor Double headers, tail joists and metal joist hangers 6x6 timber post, steel post cap and bearing joists

Time: 1 h 10 min
People: Two
Level: Patient

Before you start

Clear 3 × 3 m of floor and lay out the parts.
17 parts and 102 fasteners in 5 steps.
You'll want a screwdrivers and a claw hammer and a tape measure and a drill and a marker and a spirit level.
Fill every single nail hole in joist hangers with specified structural 10d 1-1/2 inch connector nails.

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, framing & carpentry

Floor Framing: Stairwell Opening (Double Headers & Trimmers)

Double trimmer joists, double headers, tail joists and metal joist hangers

Mid-span solid blocking, adhesive and 3/4 in T&G subfloor Double headers, tail joists and metal joist hangers 6x6 timber post, steel post cap and bearing joists

Time: 1 h 10 min
People: Two
Level: Patient

Before you start

Clear 3 × 3 m of floor and lay out the parts.
17 parts and 102 fasteners in 5 steps.
You'll want a screwdrivers and a claw hammer and a tape measure and a drill and a marker and a spirit level.
Fill every single nail hole in joist hangers with specified structural 10d 1-1/2 inch connector nails.