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.
Cutting j channel around windows. Simply cut the nail flange at intervals that will lend itself to the radious. Cut and install the top j channel. Create the top piece by cutting a length of j molding 2 inches longer than the width of the window. Cut the side j channel 2 in.
Start j channeling the window from the bottom make cuts on both ends of the 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. How do you install j channel around windows. Measure the width of the window.
If you want miter the bottom j channel to give it a nice mitered appearance. Cut out a three quarter inch notch in the bottom of the side j channels and bend the tab. Longer than the height of the window. Cut a 1 inch notch on either end of the piece with tin snips but do not score or snap the.
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. Place the side j channel. Add 2 inches to that number and cut a length of j channel to this. 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. As to the integral moulded j channels. 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. Vinyl j channel round top windows well yes there is a way to make the ridgid j to conform to the arch.
Lap the side over the bottom as shown. When complete the j trim neatly finishes off the siding covering any cut raw or sharp edges to prevent damage from water penetration. 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.
Notch on the top end as you did on the bottom j channel. Drive roofing nails every 8 to 10 in.