Modern Residential Construction Practices by Madsen David A. Madsen David P. & David P. Madsen

Author:Madsen, David A.,Madsen, David P. & David P. Madsen
Language: eng
Format: epub
Publisher: Taylor & Francis Ltd
Published: 2017-06-21T16:00:00+00:00

Figure 8.19  Bearing partition framing options. (a) Interior bearing partition supporting the ceiling joists. (b) Ceiling joists can intersect over the header. (c) Ceiling joists connected to the header with steel joist hangers when the header is framed above the top plate.

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The ceiling joists can also act as floor joists when the area under the roof structure is used for storage or for living space. In this case, the floor joists are covered with subflooring and finished flooring as desired. Figure 8.20(a) shows construction of a finished attic area used for storage. When the attic area is used only for storage, then subfloor and rafters do not need to be covered. When the finish area below the rafters is used for living space, then a 60″ (1,524 mm) minimum clearance is required by framing stub walls at that rafter height as shown in Figure 8.20(b). The rafters can be framed to the stub walls’ top plate if the floor joists below are engineered to carry the combination of floor and roof load. The rafters can be framed without connection to the stub walls’ top plate if the rafters are engineered separately to carry the roof load. A window or door is also required that provides lighting, ventilation, and escape to the outside. This window is normally framed into a dormer described later.

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