Page 381 - Chief Architect Reference Manual
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Double Walls



                                         Frame Through                 your choice. Alternatively, though, Double
                                                                       Walls can be used, with the inner wall being
                               Frame Through walls can be considered the   specified as a Furred Wall.
                               basic Double Wall type. A Frame Through
                               wall could be used as a double wall between   Furred Walls are placed against the inside
                               hotel rooms for sound insulation.       of a primary wall, typically an exterior wall.
                                                                       An example is a concrete wall furred out by a
                               By default, all walls are specified as Frame   framed wall with an air gap or insulation
                               Through in the Wall Specification dialog.   between them.
                               See “Structure Panel” on page 392.
                                                                       Rooms are defined in the normal manner by
                                          Split Framing                the primary wall, but the layers of the Furred
                                                                       Wall are treated by the program as though
                               Split Framing walls divide floor and ceiling   they were added to the primary. An air gap
                               platforms, as well as any walls they intersect.   between the primary and furred walls should
                               The split occurs at the boundary where the   be defined as a layer of one of the walls,
                               two double walls touch and is useful for   usually the furred wall.
                               separating modular home units.
                                                                       As with Frame Through walls, Furred Walls
                               Chief Architect frames walls and platforms   do not split platforms or connected walls.
                               separately on either side of the Split Framing   Unlike Frame Through walls, they do not
                               wall boundary, with no framing members   connect or frame to non-parallel walls like
                               crossing it.                            normal walls. Instead, they will connect to
                               You can make floor platform rim joists touch   other Furred Walls.
                               each other at the boundary between Split   To create a Furred Wall, specify the primary
                               Framing walls or provide spacing to carry   wall as a Frame Through wall and the
                               sheathing over them using the Build     furred wall as a Furred Wall on the STRUC-
                               Platform to Exterior of Layer setting in the   TURE panel of the Wall Specification dialog.
                               Wall Type Definitions dialog. See “Wall
                               Type Definitions Dialog” on page 386.      Openings in Double Walls
                               To create a pair of Split Framing walls,   Doors and windows placed in one Double
                               specify both walls as such on the STRUCTURE   Wall extend through both walls. You can
                               panel of the Wall Specification dialog.   specify how an opening builds through the
                                                                       Double Walls on the CASING panel of either
                                          Furred Walls                 the Door or Window Specification dialog.
                               The recommended method for creating     See “Door Specification Dialog” on page
                               furring is to simply add the required air gap,   544 or “Window Specification Dialog” on
                               framing, and finish layers to the wall type of   page 577.









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