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.

Cutting j channel around windows.

Cut and install the bottom j channel. Notch on the top end as you did on the bottom j channel. Make the miter cut on the bottom with shears. 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.

Lap the side over the bottom as shown. As to the integral moulded j channels. 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. Cut j channel for the sides 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. Vinyl j channel round top windows well yes there is a way to make the ridgid j to conform to the arch. Cut and install the top j channel. Most manufacturer advice install a moisture barrier around the exterior sheathing of the home with specific instruction on now to cut out around windows.

Cut the side j channel 2 in. Longer than the height of the window. Add 2 inches to that number and cut a length of j channel to this. How do you install j channel around windows.

Cut and install the side j channels. Measure the width of the window. 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. Cut a 1 inch notch on either end of the piece with tin snips but do not score or snap the.

Simply cut the nail flange at intervals that will lend itself to the radious. Drive roofing nails every 8 to 10 in. Start j channeling the window from the bottom make cuts on both ends of the j channel. Create the top piece by cutting a length of j molding 2 inches longer than the width of the window.

If you want miter the bottom j channel to give it a nice mitered appearance. I didnt say i think they these type of windows are ideal yet the windows meet industry standards as well a being code compliant.