Installing Vinyl J Channel Around Windows

To install vinyl siding to the soffit and fascia area on your home nail lengths of j channel along the inner edge of the fascia leaving the nail heads out about 1 32 to 1 16 of an inch.

Installing vinyl j channel around windows.

Cut and install bottom j flush with the sides of the window casing. J channel pieces should be installed similarly to the f channel across from each other so the soffit fits between the lengths of the j channel. Do not forget to extend the side j channel above the top of the window frame make it at least 1 inch above the top of the window. Drive roofing nails every 8 to 10 in.

Cut and install top j flush with the outer face of the side j s. You can use roofing nails that are made of galvanized aluminum or stainless steel with high user ratings and good resistance to corrosion. It will look much better if you miter the corners. Position the j channel under the window.

Through the middle of the slots. Nail it to the wall but remember not to nail it tightly. Install side j channels flush with the lower face of the bottom j channel and with the top of the window casing. Mitering corners of the j channel.

Square corner j channel installation. The next step in waterproofing your window is to install the j channel. Don t drive them tight. This goes all around the window and you ll need new strips.

Cut and position an undersill trim if necessary see when to use undersill trim. You work from the bottom up with this step as well overlapping top to bottom. If necessary bend the siding to fit into place. The vinyl siding trim pieces should slide back and forth slightly.

Cut and bend drain tab. This gives it a clean professional look. For the window first position the j channel against the window casing. Place the side j channel and mark it then mark the bottom j channel.

Install the j channel vinyl siding around all four sides of a window or three sides of a door. Install the j molding along the bottom edge of the window. Install j channel under the window. Cut a tab in the bottom of the side j channels and fold under.