Installing J Channel Around Windows And Doors

Measure and cut two strips of j channel 2 inches longer than the height of the window.

Installing j channel around windows and doors.

This will help keep water from being able to reach underneath the flashing. Position the j channel under the window. To allow for necessary water runoff cut and bend this top portion down over this side of j channel. Install j channel under the window.

Before beginning installation of your j trim ensure that the top of the window is equipped with drip flashing overlapped by felt paper. Notch out 1 inch of the inside top and bottom edges. The metal siding will slide into the j trim so install the channel with the opening of the j facing the direction of the siding. If the top of the window is near an eave but the bottom is exposed to the elements strip off the siding and focus on flashing the bottom half of the window but ignore the top.

Through the middle of the slots. Around windows and doors this application works only on 1 faced j channel. Step 1 attach the j trim along the line that will form the upper edge of the metal siding. Measure the openings and cut the j channel 1 2 less than your measurement.

Install the j channel around the opening centering the j channel so that each end of the. Install the trim by nail the longer side of the j to the framing lumber with the washer head metal siding nails. Overlap the notches with the bottom section and nail into place. Place the j molding along the bottom edge of the window.

J channel your windows doors and eaves always install j channel around windows and doors along the eaves before you begin applying siding the j channel at the top of the opening should extend over side of j channel by 1 4. If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it. Cut and install the side j channels. Windows and doors install the j channel vinyl siding around all four sides of a window or three sides of a door.

For the window first position the j channel against the window casing. 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. Cut and install the top j channel.

Loosely nail every 8 inches in the nailing slots. Don t drive them tight. The vinyl siding trim pieces should slide back and forth slightly.