Installing J Channel Around Windows And Doors

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.

Installing j channel around windows and doors.

Overlap the notches with the bottom section and nail into place. To allow for necessary water runoff cut and bend this top portion down over this side of j channel. Cut and install the side j channels. 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. 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. The vinyl siding trim pieces should slide back and forth slightly.

Nail it to the wall but remember not to nail it tightly. Through the middle of the slots. Ensure that the sides of the window is taped with the wrap tape to keep water out from the sides of the window. Loosely nail every 8 inches in the nailing slots.

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. Step 1 attach the j trim along the line that will form the upper edge of the metal siding. Around windows and doors this application works only on 1 faced j channel. Drive roofing nails every 8 to 10 in.

If the window s deep in an entryway and has zero exposure you can skip the weatherproofing and just caulk around it. 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. Cut and install the top j channel. Install the j channel around the opening centering the j channel so that each end of the.

The installation of j channel for snap on lineals is the same procedure as installing lineal starter strip. For the window first position the j channel against the window casing. Don t drive them tight. This will help keep water from being able to reach underneath the flashing.

Measure the openings and cut the j channel 1 2 less than your measurement. Windows and doors install the j channel vinyl siding around all four sides of a window or three sides of a door. Position the j channel under the window.