The size height and spacing of studs shall be in accordance with table r602 3 5.
Standard wood roof stud dimension.
Actual dimension is the size.
In my experience the precut studs for 9 foot ceilings always seem to come a hair long for some reason.
In this case we butt two 54 inch wide sheets of drywall against the ceiling which gives us the same clearance at the bottom.
Dimensional lumber is cut to a specific length width and depth.
In general dimensions for framing lumber wood sid ing and trim referenced in this document are nominal dimensions.
However there is a difference between the nominal size what the lumber is referred to and the actual size.
Metal roofs and pole buildings.
I e 2x4 2x6 etc for simplicity.
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.
The tables below provide both the nominal and actual sizes so many common north american lumber sizes.
A summary of these dimensions is set forth in.
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.