word "penny". Table 1-4 lists the kinds and
material that is to be fastened, the need for greater
quantities of nails required for building frame
holding power, the desire for a better finished
appearance, and limitations on the number of
fasteners that can be used. Screws can also be
withdrawn easily without damage to the material.
Wood screws are usually made of unhardened steel
The use of screws instead of nails may be
dictated by a number of factors, including the type of
TABLE 1-4. Wire Nails - Kinds and Quantities Required
*Wood shingles vary in width; asphalt are usually 8 inches wide. Regardless of width 1000 shingles are the
equivalent of 1000 pieces 4 inches wide.