ClipArt ETC
A double floor showing bridging joists at a, binders at b, and ceiling joists at c.

Double Floor

A double floor showing bridging joists at a, binders at b, and ceiling joists at c.

A framed floor showing floor-joists at a, binding-joist at b, ceiling joists at c, and girder at d.

Framed Floor

A framed floor showing floor-joists at a, binding-joist at b, ceiling joists at c, and girder at d.