Repair Vinyl J Channel

Our photo of improperly cut j channel trim around a window above right shows a more serious problem than may be immediately apparent.

Repair vinyl j channel.

The j channel is the groove in vinyl siding that locks the individual pieces together. The top of this trim has small holes that allow it to be attached to a substrate without drilling into the vinyl. 1 4 inch weep holes should be drilled about 12 inches apart into the j channel only. I would recommend removing the siding around the window and replacing the j channel.

Without j channel trim in place the siding would look messy and slipshod. It is also used to cover cut pieces of siding under windows and at eaves. Beginning at the bottom of the foundation siding is installed by hooking a j channel onto a protruding. J channel is often used for corners and edges and around openings like windows and doors.

The bottom curves around hiding the end of a piece of vinyl siding. The siding is inserted into the folded j channel. Vinyl siding j channel errors over windows. Not only does the j channel seal off the siding but it also helps hold the pieces of siding together.

Get free shipping on qualified j channel siding trim or buy online pick up in store today in the building materials department. In our photo at above left it looks like really sloppy j channel work during siding installation leaving a leak at the window sill. This will help keep the track dry and prevent accumulation of unwanted moisture. The broken j channel is clearly the most likely source of a leak in vinyl siding.

Don t drive them tight. Drive roofing nails every 8 to 10 in. A j channel looks like its name resembling the letter j when viewed from the side. Cut and position an undersill trim if necessary see when to use undersill trim.

Install j channel under the window. The vinyl siding trim pieces should slide back and forth slightly. Position the j channel under the window. Any attempt to caulk or seal this area using another method is not likely to have a long term result.