Standard Wood Roof Stud Dimension

Metal roofs and pole buildings.

Standard wood roof stud dimension.

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. In my experience the precut studs for 9 foot ceilings always seem to come a hair long for some reason. Dimensional lumber is cut to a specific length width and depth. 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.

I e 2x4 2x6 etc for simplicity. 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. In this case we butt two 54 inch wide sheets of drywall against the ceiling which gives us the same clearance at the bottom.

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. A summary of these dimensions is set forth in. With 9 foot ceilings the precuts are 104 5 8 inches which gives us an overall height of 109 1 4 inches. Actual dimension is the size.