J-channel is a piece designed to fit over siding and soffit pieces. It is a corner or end piece that resembles the letter J. It mounts the siding to the wall and helps hold the soffit in place. J-channel comes in 12-foot sections and is either 1/2 inch thick or 5/8 inches thick. It can install on any type of house including wood or masonry. J-channel is an essential element in the installation process of siding and is one of the final steps in the entire procedure.
Instructions
1. Measure the gable of the roof with a tape measure. Climb up a ladder and measure directly under the soffit where the J-channel will install. Record the measurement and total how many 12-foot pieces of J-channel will be needed for installation.