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Unitary modular shake panels and methods for making and using such shake panels. In one aspect of the invention, a unitary modular shake panel includes an interconnecting section composed of a siding material and several integral shake sections projecting from the interconnecting section. The panel

Unitary modular shake panels and methods for making and using such shake panels. In one aspect of the invention, a unitary modular shake panel includes an interconnecting section composed of a siding material and several integral shake sections projecting from the interconnecting section. The panel preferably has a quadrilateral shape with first and second edges along a longitudinal dimension that are separated from each other by a width of the panel along a transverse dimension. Additionally, the shake sections are separated from one another by slots extending from the second edge to an intermediate width in the panel. In a preferred embodiment, the panel is composed of a unitary piece of fiber-cement siding with a simulated wood grain running along the transverse dimension. The interconnecting section is preferably a web portion of the fiber-cement siding piece, and the shake sections are different portions of the same fiber-cement siding piece defined by the slots extending in the transverse dimension from the web portion to the second edge of the panel. Modular shake panels in accordance with the invention may be made using several different processes. In one embodiment, for example, a unitary modular shake panel is manufactured by the cutting planks from a sheet of siding material, and then forming slots in the panel to define the web portion and the shake sections. The planks are preferably cut from the sheet in a direction transverse to a wood grain on the surface of the sheet. The slots are preferably cut in the planks in the direction of the wood grain from a longitudinal edge to an intermediate depth within the plank.

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1. An exterior shake siding panel for a structure, comprising: an interconnecting section comprising an exterior surface, a back surface, and one continuous fiber-cement compound from the exterior surface to the back surface, wherein the one fiber-cement compound comprises dement, cellulose fiber

1. An exterior shake siding panel for a structure, comprising: an interconnecting section comprising an exterior surface, a back surface, and one continuous fiber-cement compound from the exterior surface to the back surface, wherein the one fiber-cement compound comprises dement, cellulose fiber and silica; and a plurality of fiber-cement shake sections projecting from the interconnecting section, the shake sections comprising a simulated wood-grain exterior surface and a back surface, and the shake sections being (a) composed of the one fiber-cement compound continuously from the wood-grain exterior surface to the back surface, (b) integral with the interconnecting section, and (c) spaced apart from one another by slots. 2. The exterior shake panel of claim 1 wherein the slots are spaced apart from one another by irregular distances. 3. The exterior shake panel of claim 1 wherein the slots are spaced apart from one another by approximately the same distance. 4. The exterior shake panel of claim 1 wherein the shake sections have different lengths. 5. The exterior shake panel of claim 1 wherein the shake sections have approximately equal lengths. 6. An exterior shake siding panel for a structure, comprising: a fiber-cement plank composed of one continuous fiber-cement compound comprising cement, cellulose fiber and silica from an exterior surface to a back surface, the plank having a length and a width less than the length, and the exterior surface having wood grain; and a plurality of slots through the plank extending widthwise from a longitudinal edge to an intermediate location in the planK wherein the slots form an interconnecting section and a plurality of shake sections projecting from the interconnecting section, the shake sections being integral with the interconnecting section. 7. The exterior shake panel of claim 6 wherein the slots are spaced apart from one another by irregular distances. 8. The exterior shake panel of claim 6 the slots are spaced apart from one another by approximately the same distance. 9. The exterior shake panel of claim 6 the shake sections have different lengths. 10. The exterior shake panel of claim 6 wherein the shake sections have approximately equal lengths. 11. A unitary shake siding panel for a structure, comprising: a web portion of a fiber-cement siding piece, the web portion comprising an exterior surface, a back surface, and a continuous unitary fiber-cement compound composed of cement, cellulose fibers and silica between the exterior surface and the back surface; and a plurality of shake sections integral with the web portion and projecting from the web portion, the shake sections comprising an exterior surface with a simulated wood grain and a back surface, and the shake sections being (a) composed of the continuous unitary fiber-cement compound between the exterior surface and the back surface and (b) spaced apart from one another by slots extending from the interconnection section to ends of the shake sections.