Cutting J Channel Around Windows

How to j channel around windows.

Cutting j channel around windows.

As to the integral moulded j channels. Cut a 1 inch notch on either end of the piece with tin snips but do not score or snap the. How do you install j channel around windows. Vinyl j channel round top windows well yes there is a way to make the ridgid j to conform to the arch.

Notch on the top end as you did on the bottom j channel. 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. Create the top piece by cutting a length of j molding 2 inches longer than the width 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.

Simply cut the nail flange at intervals that will lend itself to the radious. Add 2 inches to that number and cut a length of j channel to this. Cut and install the top j channel. Drive roofing nails every 8 to 10 in.

Cut and install the bottom j channel. 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. When complete the j trim neatly finishes off the siding covering any cut raw or sharp edges to prevent damage from water penetration.

Measure the width of the window. 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. Lap the side over the bottom as shown.

Longer than the height of the window. If you want miter the bottom j channel to give it a nice mitered appearance. Cut the side j channel 2 in. Cut j channel for the sides of the window.

Cut and install the side 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.