Standard Wood Roof Stud Dimension

The tables below provide both the nominal and actual sizes so many common north american lumber sizes.

Standard wood roof stud dimension.

Metal roofs and pole buildings. I e 2x4 2x6 etc for simplicity. 1 1 2 inches by 3 1 2 inches for example dimensional lumber and modern building the term dimensional lumber came into popular use around the beginning of the 20th century to distinguish lumber cut to pre determined sizes from other types of wood such as corded wood for fireplaces. With 9 foot ceilings the precuts are 104 5 8 inches which gives us an overall height of 109 1 4 inches.

Although the standard spacing of roof trusses may be the same as that of rafters with 24 inch spacing being a common option the design of a truss may allow for the use of a lower grade of lumber than would be required for rafters with comparable spacing and span. In general dimensions for framing lumber wood sid ing and trim referenced in this document are nominal dimensions. In my experience the precut studs for 9 foot ceilings always seem to come a hair long for some reason. A summary of these dimensions is set forth in.

Dimensional lumber is cut to a specific length width and depth. However there is a difference between the nominal size what the lumber is referred to and the actual size. Actual sur faced dimensions conform with those in product standard ps 20 published by the american lumber standards com mittee appendix item 2. Utility grade studs shall not be spaced more than 16 inches 406 mm on center shall not support more than a roof and ceiling and shall not exceed 8 feet 2438 mm in height for exterior walls and load bearing walls or 10 feet 3048 mm for interior nonload bearing walls.