Installing Vinyl Siding Around Windows With Integrated J Channel

Some modern vinyl windows however incorporate a j channel right into the.

Installing vinyl siding around windows with integrated j channel.

Another option is crane board makes an adapter that snaps onto the windows built in j channel that turns it into a 1 1 4 deep j pocket for use with their insulated siding. Alternatively i use vinyl window and door casing which is essentially a 2 1 2 in. When i know a house will be sided in vinyl i select windows that have either an integral j channel or a slot to receive an applied cap that creates a receiver channel. Position the j channel under the window.

I only use plywood. For the window first position the j channel against the window casing. Lats are ok but they tend to split too easily especially if you are nailing the window every other nail slot. Through the middle of the slots.

The vinyl siding trim pieces should slide back and forth slightly. No pieces to separate. Traditionally j channel was a siding trim molding fastened around windows and doors which then received the siding. Caulk behind the vinyl nailing flange of the window first then install grace strips over the flange and then you can run your siding right into the window j channel.

Mark cut and notch the top. Cut and position an undersill trim if necessary see when to use undersill trim. Continue installing courses of siding along the sides of the window leaving 1 4 inch spaces within the j channel at the end of each piece of the siding for expansion. Install j channel under the window.

Integral j is fine its actually better. Drive roofing nails every 8 to 10 in. On the top of the window don t run it to tight leave room for the water to run off. Nail it to the wall but remember not to nail it tightly.

Windows and doors install the j channel vinyl siding around all four sides of a window or three sides of a door.