Cutting J Channel Around Windows

How to j channel around windows.

Cutting j channel around windows.

Cut the side j channel 2 in. Cut and install the side j channels. Cut j channel for the sides of the window. To miter window and door corners of the j channel install the bottom j channel to extend past the side casing making sure it s the width of the j face on each end.

Vinyl j channel round top windows well yes there is a way to make the ridgid j to conform to the arch. Place the side j channel. Cut out a three quarter inch notch in the bottom of the side j channels and bend the tab. Most manufacturer advice install a moisture barrier around the exterior sheathing of the home with specific instruction on now to cut out around windows.

How do you install j channel around windows. 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. Measure the width of the window. Notch on the top end as you did on the bottom j channel.

Add 2 inches to that number and cut a length of j channel to this. If you want miter the bottom j channel to give it a nice mitered appearance. As to the integral moulded j channels. When complete the j trim neatly finishes off the siding covering any cut raw or sharp edges to prevent damage from water penetration.

Lap the side over the bottom as shown. Longer than the height of the window. Simply cut the nail flange at intervals that will lend itself to the radious. I didnt say i think they these type of windows are ideal yet the windows meet industry standards as well a being code compliant.

Start j channeling the window from the bottom make cuts on both ends of the j channel. Cut a 1 inch notch on either end of the piece with tin snips but do not score or snap the. Drive roofing nails every 8 to 10 in. 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.

Cut and install the bottom 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.