Cutting J Channel Around Windows

Lap the side over the bottom as shown.

Cutting 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. Cut the side j channel 2 in. Add 2 inches to that number and cut a length of j channel to this. Start j channeling the window from the bottom make cuts on both ends of the j channel.

Well yes there is a way to make the ridgid j to conform to the arch. 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 and install the side j channels. Cut j channel for the sides of the window.

Place the side j channel. Step 1 attach the j trim along the line that will form the upper edge of the metal siding. The metal siding will slide into the j trim so install the channel with the opening of the j facing the direction of the siding. Cut out a three quarter inch notch in the bottom of the side j channels and bend the tab.

How to j channel around windows. Notch on the top end as you did on the bottom j channel. Drive roofing nails every 8 to 10 in. 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.

If you want miter the bottom j channel to give it a nice mitered appearance. Make the miter cut on the bottom with shears. Most manufacturer advice install a moisture barrier around the exterior sheathing of the home with specific instruction on now to cut out around windows. Simply cut the nail flange at intervals that will lend itself to the radious.

Install the trim by nail the longer side of the j to the framing lumber with the washer head metal siding nails. How do you install j channel around windows. As to the integral moulded j channels. Since it was a hot day and the j was vinyl.

Longer than the height of the window. Measure the width of the window.