New colors Bayou Blue, Evening Shadow, Island Palm, and Plantation Teak have been added to the American Splendor Signature Series of vinyl siding panels, joining 20 existing colors. Panels come in Double 4” and Double 4.5” Dutch Lap profiles in 12 ft. 6 in. lengths. All panels are .046 in. thick, kept in place by Ply Gem’s proprietary RigiTuck rolled nail hem and Xact-Fit lock and curl design with six-layer attachment points per panel.