Installing J Channel Around Windows And Doors

Measure the openings and cut the j channel 1 2 less than your measurement.

Installing j channel around windows and doors.

Cut and install the side j channels. Through the middle of the slots. Step 1 attach the j trim along the line that will form the upper edge of the metal siding. Nail it to the wall but remember not to nail it tightly.

Position the j channel under the window. Ensure that the sides of the window is taped with the wrap tape to keep water out from the sides of 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. Measure and cut two strips of j channel 2 inches longer than the height of the window.

Drive roofing nails every 8 to 10 in. For the window first position the j channel against the window casing. Overlap the notches with the bottom section and nail into place. The vinyl siding trim pieces should slide back and forth slightly.

Don t drive them tight. Loosely nail every 8 inches in the nailing slots. To allow for necessary water runoff cut and bend this top portion down over this side of j channel. Install the j channel around the opening centering the j channel so that each end of the.

If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it. Windows and doors install the j channel vinyl siding around all four sides of a window or three sides of a door. The installation of j channel for snap on lineals is the same procedure as installing lineal starter strip. Cut and install the top j channel.

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. This will help keep water from being able to reach underneath the flashing. Around windows and doors this application works only on 1 faced j channel. Cut and position an undersill trim if necessary see when to use undersill trim.

Install the trim by nail the longer side of the j to the framing lumber with the washer head metal siding nails. 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. Place the j molding along the bottom edge of the window.