Place the side j channel.
Cutting j channel around windows.
Measure the width of the window.
As to the integral moulded j channels.
Cut j channel for the sides of the window.
How do you install j channel around windows.
Add 2 inches to that number and cut a length of j channel to this.
Cut a 1 inch notch on either end of the piece with tin snips but do not score or snap the.
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.
Make the miter cut on the bottom with shears.
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.
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.
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.
Cut and install the side j channels.
Cut the side j channel 2 in.
Cut and install the bottom j channel.
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.
Create the top piece by cutting a length of j molding 2 inches longer than the width of the window.
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.
Start j channeling the window from the bottom make cuts on both ends of the 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.
Simply cut the nail flange at intervals that will lend itself to the radious.
Lap the side over the bottom as shown.
Drive roofing nails every 8 to 10 in.