作者: Michael Bullinger , Russell Cooper
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摘要: A siding system includes panels having a facing element with convex front face portion. first connecting portion extending along an upper edge and second at lower is adapted to engage the of adjacent panel. Mounting holes top provide for mounting panel vertical surface. support element, such as foam insulation attaches rear surface element. machine making metal has feeder multiple roller sets. First ones rollers have concave complementary The set larger radius profile than last roll form from coil blank material. Bending structure panels. Embossing forming embossed pattern on