Wood Structural Flooring

Wood Structural Floors

Section 502

Wood framing

R502.2.3

Allowable spans

R502.2.2

Blocking

R502.3.3

Floor Cantilevers

R502.4

Joists under bearing portions

R502.6

Weight bearing

R502.6.1

Joist overlap

R502.6.2

Strap or ledger strip support

R502.7

Joist end securing to prevent twisting

R502.7.1

Bridging

R502.8.1-2

Cutting, notching or drilling

Section 503 Floor sheathing

This section covers subfloor types and a chart for allowable spans.