Cutting J Channel Around Windows

Start j channeling the window from the bottom make cuts on both ends of the j channel.

Cutting j channel around windows. Check the frame of the window and clean anything that is not gonna allow for a j channel to lay flat to the side of the window. Most manufacturer advice install a moisture barrier around the exterior sheathing of the home with specific instruction on now to cut out around windows. Longer than the height of the window. Simply cut the nail flange at intervals that will lend itself to the radious.

Place the side j channel. Similar to j channel used with vinyl siding j trim is nailed to the building s framing at the top edge and along any interior corner seams to hide the raw edges of the siding. I didnt say i think they these type of windows are ideal yet the windows meet industry standards as well a being code compliant. Cut j channel for the sides of the window.

Cut a 1 inch notch on either end of the piece with tin snips but do not score or snap the. Cut and install the top j channel. Notch on the top end as you did on the bottom j channel. Lap the side over the bottom as shown.

Make the miter cut on the bottom with shears. Cut out a three quarter inch notch in the bottom of the side j channels and bend the tab. If you want miter the bottom j channel to give it a nice mitered appearance. How do you install j channel around windows.

Cut and install the side j channels. Measure the width of the window. When complete the j trim neatly finishes off the siding covering any cut raw or sharp edges to prevent damage from water penetration. Drive roofing nails every 8 to 10 in.

Create the top piece by cutting a length of j molding 2 inches longer than the width of the window. Cut and install the bottom j channel. Vinyl j channel round top windows well yes there is a way to make the ridgid j to conform to the arch. Cut the side j channel 2 in.

Add 2 inches to that number and cut a length of j channel to this. The last one i did was on a 28 wide window and i cut the nail flange at 3 4 intervals and left the front edge intact.