How do you use J Channel cutters

Step 3 pull down on the siding once you have the zip tool in place.J channel is often used for corners and edges, and around openings like windows and doors.You can notch the pvc your self but your right the top should be closed off with a drip cap to prevent water intrusion,so you will need a j channel to recive the bottom edge of the siding there a alt2mn registered joined dec 26, 2016 3 posts #3 · dec 27, 2016 did you ended up using the certainteed j pocket pvc trim?To turn a corner, measure from the channel at the wall corner to the channel at the corner of the fascia board and subtract ¼ (6.4mm) for expansion.Because vinyl expands and contracts, do not nail the trim too secure.

Nail the side pieces every 12 inches, placing the top nail at the top of the nailing slot and all other nails in the center of the nailing slot.This time, however, cut off the back of the channel flush and let the facing.57), depending on the sill's condition.This will allow for water to flush down the channel instead of becoming trapped inside.Determine the method you'll use to install soffit at the fascia board (see figures 8 and 9).

A miter cut and tab can be provided at the bottom of the window (fig.If the siding is tight, this may be more difficult.