Apprentice Training, specialty

Floor Seismic Expansion Joint with Centering Bar

4 in expansion gap, aluminum floor plates, pantograph centering spring mechanism, Santoprene moisture seal

Time: 2 h
People: One
Level

Before you start

Clear 2.5 × 1.5 m of floor and lay out the parts.
12 parts and 16 fasteners in 6 steps.
You'll want a allen keys and a screwdrivers and a flat screwdriver and a claw hammer and a spanners and a tape measure and a drill and a spirit level and a trimming knife.
Rigid fasteners must never bridge across the structural expansion gap, which locks movement and causes catastrophic shear.
Anchor only the base frame extrusions into blockout concrete, leaving central glide plates free to float.

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, specialty

Floor Seismic Expansion Joint with Centering Bar

4 in expansion gap, aluminum floor plates, pantograph centering spring mechanism, Santoprene moisture seal

Time: 2 h
People: One
Level

Before you start

Clear 2.5 × 1.5 m of floor and lay out the parts.
12 parts and 16 fasteners in 6 steps.
You'll want a allen keys and a screwdrivers and a flat screwdriver and a claw hammer and a spanners and a tape measure and a drill and a spirit level and a trimming knife.
Rigid fasteners must never bridge across the structural expansion gap, which locks movement and causes catastrophic shear.
Anchor only the base frame extrusions into blockout concrete, leaving central glide plates free to float.