18 x 20 Dimensions

The wood beam dimensions for the 18 x 20 section can be seen in the table. The depth of the section is 19.5 in. The width of the section is 17.5 in.

17.5 in 19.5 in
Dimension Value
Depth 19.5 in
Width 17.5 in

18 x 20 Section Properties

The 18 x 20 section has an area of 341.3in2. The below table outlines the 18 x 20 section properties including the torsion constant as well as moment of inertia and plastic modulus properties.

A Izp Iyp
341.3 in2 10813 in4 8709 in4

Materials and Design Standards 18 x 20

This section is typically designed using the design standard NDS 2018 LRFD and is manufactured using a sawn process as it is a wood section.

18 x 18 Dimensions 18 x 22 Dimensions