Structural Wood Floor Framing Plan

As discussed in chapter 1 the residential construction material most commonly used above grade in the united states is light frame wood.

Structural wood floor framing plan. Our 24 x 26 house floor framing floor beams and posts would now look like the image below. Designing with wood joist span tables. For a thorough discussion of building structural design see the u s. Wood construction data 1.

Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. Such methods use a 4 foot design module which governs a 16 inch spacing of joists. Details for conventional wood frame construction.

At this point we ll focus on traditional wood framing for an example house in the next part of residential structural design. If built up wood posts are being used the width of the post needs to be as wide as the beam that it is supporting. Rafters are shown in the same manner as joists. Figure 10 20 is an example of a roof framing plan for a wood frame roof.

The image below does not show that the floor beam is also supported on its ends by the basement exterior structural walls. Department of housing and urban development s residential structural design guide. Some newer homes have manufactured i beam shaped joists. Therefore this chapter focuses on structural design that specifies standard.

The roof framing plan is drawn in the same manner as the floor framing plan.