Cutting J Channel Around Windows

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.

Cutting j channel around windows.

Simply cut the nail flange at intervals that will lend itself to the radious. Make the miter cut on the bottom with shears. 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.

Add 2 inches to that number and cut a length of j channel to this. 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. Cut a 1 inch notch on either end of the piece with tin snips but do not score or snap the.

How to j channel around windows. Notch on the top end as you did on the bottom j channel. Create the top piece by cutting a length of j molding 2 inches longer than the width of the window. Start j channeling the window from the bottom make cuts on both ends of the j channel.

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

Cut the side j channel 2 in. Place the side j channel. Longer than the height of the window. Cut and install the side j channels.

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. 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. Drive roofing nails every 8 to 10 in.

Measure the width of the window. Vinyl j channel round top windows well yes there is a way to make the ridgid j to conform to the arch.