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A free-standing wall includes an internal frame, a pair of wall panel assemblies supported on each side of the internal frame by cleats and a top plate. The internal frame includes opposing sides that define a thickness. Each of the pair of wall panel assemblies includes a panel having an interior s

A free-standing wall includes an internal frame, a pair of wall panel assemblies supported on each side of the internal frame by cleats and a top plate. The internal frame includes opposing sides that define a thickness. Each of the pair of wall panel assemblies includes a panel having an interior surface and a width. The top plate includes a width that is at least as great as a combined dimension of the thickness of the internal frame and the widths of each panel. The top plate is coupled to a top of the internal frame to secure the pair of wall panel assemblies to the internal frame.

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1. A free-standing wall comprising: an internal frame having opposing sides that define a thickness;a pair of wall panel assemblies that each include: a panel having an interior surface and a width;a plurality of cleats attached to the interior surface of each panel, at least one of the plurality of

1. A free-standing wall comprising: an internal frame having opposing sides that define a thickness;a pair of wall panel assemblies that each include: a panel having an interior surface and a width;a plurality of cleats attached to the interior surface of each panel, at least one of the plurality of cleats having a mounting surface and a protruding surface, the mounting surface is attached to the interior surface of a corresponding panel, the protruding surface forming the innermost surface of the at least one of the plurality of cleats, the mounting surface having a lowermost edge and an uppermost edge spaced a first distance from said lowermost edge of the mounting surface and the protruding surface having a lowermost edge and an uppermost edge spaced a second distance from the lowermost edge of the protruding surface wherein the second distance is greater than the first distance and the uppermost edge of the protruding surface is horizontally aligned with the uppermost edge of the mounting surface;a top plate having a width that is at least as great as a combined dimension of the thickness of the internal frame and the widths of each panel;wherein the plurality of cleats of one of the wall panel assemblies supports the one wall panel assembly on one of the sides of the internal frame and the plurality of cleats of the other of the wall panel assemblies supports the other wall panel assembly on an opposing side of the internal frame; andwherein the top plate is coupled to a top of the internal frame to secure the pair of wall panel assemblies to the internal frame. 2. The free-standing wall of claim 1, wherein each of the plurality of cleats includes a mounting surface, a protruding surface, an upper surface and a shoulder, the mounting surface is attached to the interior surface of a corresponding panel, the protruding surface is spaced from the mounting surface and the interior surface, the shoulder is disposed between the mounting surface and the protruding surface, and the mounting surface has a lowermost edge and an uppermost edge spaced a first distance from said lowermost edge of the mounting surface and the protruding surface has a lowermost edge and an uppermost edge spaced a second distance from the lowermost edge of the protruding surface wherein the second distance is greater than the first distance and the uppermost edge of the protruding surface is horizontally aligned with the uppermost edge of the mounting surface. 3. The free-standing wall of claim 2, wherein the mounting surface extends parallel to the protruding surface and perpendicular to the upper surface, and the protruding surface extends parallel to the interior surface of a corresponding panel. 4. The free-standing wall of claim 3, wherein the shoulder of each of the plurality of cleats comprises an angled surface that intersects with a bottom surface of each of the plurality of cleats and intersects with an upper surface of the shoulder of each of the plurality of cleats. 5. The free-standing wall of claim 3, wherein the upper surfaces of the shoulders of some of the plurality of cleats comprises a width that is greater than a width of the upper surfaces of the shoulders of remaining cleats. 6. The free-standing wall of claim 1, wherein the internal frame comprises a top channel, a bottom channel and a pair of end channels, wherein at least two of the plurality of cleats on each of the wall panel assemblies engages with edges of the bottom channel. 7. The free-standing wall of claim 6, wherein the internal frame further comprises at least two angle bars that extend from one of the end channels to the other of the end channels, the at least two angle bars are spaced from each other in a horizontal direction and positioned at a first height along the end channels. 8. The free-standing wall of claim 7, wherein at least two other of the plurality of cleats on each of the wall panel assemblies engages with edges of one of the at least two angle bars. 9. The free-standing wall of claim 1, wherein each of the plurality of cleats has a height, a depth and a width, the width is more than twice a sum of the depth and the height. 10. The free-standing wall of claim 6, further comprising a base plate coupled to a bottom surface of the bottom channel and having a width that is greater than a width of the bottom channel and less than the width of the top plate, wherein the top plate is coupled to the top channel of the internal frame to further secure the wall panel assemblies between the top plate and the base plate. 11. A free-standing wall comprising: a substantially horizontal base frame member;a substantially horizontal top frame member;a pair of substantially vertical end frame members coupling ends of the substantially horizontal base frame member to ends of the substantially horizontal top frame member;at least first and second angle bars extending between the pair of substantially vertical frame members, the first and second angle bars each having a top edge, the first angle bar being spaced from said second angle bar, the first angle bar and the second angle bar being positioned at the same height;first and second wall sections, the first and second wall sections each having an inner facing surface and a plurality of cleats attached to the inner facing surface, wherein at least a portion of the plurality of cleats of the first and second wall sections are adapted to engage with the top edges of the corresponding first and second angle bars, at least one of the plurality of cleats having a mounting surface and a protruding surface, the mounting surface is attached to the inner facing surface of a corresponding wall section, the protruding surface forming the innermost surface of the at least one of the plurality of cleats, the mounting surface having a lowermost edge and an uppermost edge spaced a first distance from said lowermost edge of the mounting surface and the protruding surface having a lowermost edge and an uppermost edge spaced a second distance from the lowermost edge of the protruding surface wherein the second distance is greater than the first distance and the uppermost edge of the protruding surface is horizontally aligned with the uppermost edge of the mounting surface; anda top plate coupled to a top of the substantially horizontal top frame member and having a width that is greater than the widths of each of the substantially horizontal frame members and the substantially vertical frame members, the top plate is adapted to secure the portion of the plurality of cleats to the top edges of the angle bars. 12. The free-standing wall of claim 11, wherein the substantially horizontal base frame member, the substantially horizontal top frame member and the pair of substantially vertical end frame members comprise the same width. 13. The free-standing wall of claim 11, further comprising a substantially vertical middle frame member having first and second openings extending through the substantially vertical middle frame member; and, the first angle bar extends through the first opening so that a first portion of the first angle bar is disposed on one side of the substantially vertical middle frame member and a second portion of first angle bar is disposed on an opposite side of the substantially vertical middle frame member and the second angle bar extends through the second opening so that a first portion of the second angle bar is disposed on the one side of the substantially vertical middle frame member and a second portion of second angle bar is disposed on the opposite side of the substantially vertical middle frame member. 14. The free-standing wall of claim 11, further comprising a base plate coupled to a bottom surface of the substantially horizontal base frame member and having a width that is greater than a width of the substantially horizontal base frame member and less than the width of the top plate. 15. The free-standing wall of claim 14, wherein a top of each wall section contacts the top plate and a bottom of each wall section contacts the base plate. 16. The free-standing wall of claim 11, further comprising third and fourth angle bars extending between the pair of substantially vertical end frame members at a different height than the height of the first and second angle bars. 17. The free-standing wall of claim 11, wherein each of the pair of substantially vertical end frame members comprises holes for receiving fasteners that couple each substantially vertical end frame member to a different substantially vertical end frame member on a different free-standing wall to form a single free-standing partition. 18. A method of altering a work or retail space, the method comprising: erecting a free-standing wall by:obtaining an internal frame having first and second opposing sides that define a thickness and an uppermost surface, the uppermost surface being substantially planar and extending from the first opposing side to the second opposing side of the internal frame;obtaining a pair of wall panel assemblies that each include a panel having an interior face, an exterior face and a panel thickness and a plurality of cleats each having a mounting surface attached to the interior face of each panel, the plurality of cleats each further having an engaging portion, the engaging portion being fixed relative to the mounting surface such that the engaging portion cannot move relative to the mounting surface, the plurality of cleats further having a protruding surface, the mounting surface is attached to the interior face of a corresponding panel, the protruding surface forming an innermost surface of the at least one of the plurality of cleats, the mounting surface having a lowermost edge and an uppermost edge spaced a first distance from said lowermost edge of the mounting surface and the protruding surface having a lowermost edge and an uppermost edge spaced a second distance from the lowermost edge of the protruding surface wherein the second distance is greater than the first distance and the uppermost edge of the protruding surface is horizontally aligned with the uppermost edge of the mounting surface;engaging the engaging portions of the plurality of cleats of one of the wall panel assemblies with one of the sides of the internal frame;engaging the engaging portions of the plurality of cleats of the other of the wall panel assemblies with the other of the sides of the internal frame; andattaching a top plate to the uppermost surface of the internal frame such that a bottom surface of the top plate contacts a top surface of each of the pair of wall assemblies, the top plate having a plate width that is at least as great as a combined dimension of the thickness of the internal frame and the panel widths of each panel to a top of the internal frame to secure the pair of wall panel assemblies to the internal frame. 19. The method of claim 18, wherein each of the plurality of cleats has a height, a depth and a width, and the width is more than a sum of the depth and the height.