Estimating in Building Construction

Wood 165

The headers and trimmers required for any openings (such
as stairways, fireplace, and attic access openings) are consid-

FIGURE 13.45.Typical Wall Section.

FIGURE 13.46.Headers and Trimmers.

EXAMPLE 13-20 ATTIC OPENING

A 3 0 by 3 9 attic opening is required. Refer to Figure 13.46.

ered next. This is taken off the same as for floor framing

(Section 13–3).