Install all Plaster J-Molds using full ten-foot lengths wherever possible. Attach the J-Mold to the framing with nails, screws, or other approved fastening methods. All J-Molds must be cut accurately and installed with tight, neat joints. All nailing flanges must be covered with lath and all butt joints must be sealed. Manufacturer recommends that a carbide tip blade along with lubricant be used when cutting any aluminum trims