Installing Vinyl J Channel Around Windows

Next measure and cut the siding to fit the measurements of your soffit and push each panel into the j channel.

Installing vinyl j channel around windows.

Drive roofing nails every 8 to 10 in. Cut and install top j flush with the outer face of the side j s. Position the j channel under the window. Cut a tab in the bottom of the side j channels and fold under.

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. You work from the bottom up with this step as well overlapping top to bottom. Cut and install bottom j flush with the sides of the window casing. For the window first position the j channel against the window casing.

Through the middle of the slots. The vinyl siding trim pieces should slide back and forth slightly. Nail loosely enough so that the j molding slides. This goes all around the window and you ll need new strips.

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. This gives it a clean professional look. Cut and position an undersill trim if necessary see when to use undersill trim. Nail it to the wall but remember not to nail it tightly.

If necessary bend the siding to fit into place. You can use roofing nails that are made of galvanized aluminum or stainless steel with high user ratings and good resistance to corrosion. Install j channel under the window. Install side j channels flush with the lower face of the bottom j channel and with the top of the window casing.

Don t drive them tight. The next step in waterproofing your window is to install the j channel. Cut and bend drain tab. It will look much better if you miter the corners.

Install the j channel vinyl siding around all four sides of a window or three sides of a door. Mitering corners of the j channel. Place the side j channel and mark it then mark the bottom j channel. 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.