Floor Framing Support Wall Above Parallel To Joists

Generally floor or ceiling joists run parallel to the rafters.

Floor framing support wall above parallel to joists.

When i draw plans i locate joists under bearing walls only for parallel walls off layout but i do it with two joists spaced apart the depth of wallplates above. Score 1 for being non load bearing. The recommended detail for. If the joists are parallel to the new wall adjust the layout so that the wall is directly under a joist.

Makes the plumbers and electricians smile. For better performance the designer may wish to add a joist or blocking panels below the non bearing wall. Unless you have a finished attic the ceiling joists are typically exposed. This verification can be achieved with our forte software.

Score 1 for being load bearing. Floor joists and ceiling joists serve similar purposes. However there is a large double 2x10 header above the entry way see picture 4 in this wall supported by a jack stud on either end see picture 5. Thus for a 2x4 bearing wall two joists are below spaced 3 1 2 apart directly under.

The blocking provides a nailing surface for walls that fall between joists and serves as an evenly spaced fastening surface for finish materials such as drywall. If you have 3 or 4 inch diameter pipes running through the wall make the wall from 2 x 6 inch boards. Nonetheless this does not ensure good floor performance. You may need to lift insulation or plywood to see the joists.

This wall is running parallel to the floor joists above see picture 4. In some circumstances the wall s top plate aligns with a parallel joist which provides an anchorage surface but still requires blocking to accommodate ceiling drywall.