Extrutech Plastics J Connector, Drip Edge Trim, Item # SW1800 use to connect 1/2" and 3/4" panels or as a floor edge trim is made of an exterior grade, hard, dense, rigid polymer, with a smooth surface that the panels will sit on. Is 2 1/2" x 7/8" wide, to cap 1/2" thick wall panels. Cut with standard power saw using a fine-toothed blade. Fasten with truss head screws 24" OC or construction adhesive per installation instructions or industry standard. Non-painted in white to matched our panels, available in 16' foot lengths, with a weight of 0.08 lbs per foot.