Repair Vinyl J Channel

Position the j channel under the window.

Repair vinyl j channel. Get free shipping on qualified j channel siding trim or buy online pick up in store today in the building materials department. Vinyl siding j channel errors over windows. 1 4 inch weep holes should be drilled about 12 inches apart into the j channel only. Our photo of improperly cut j channel trim around a window above right shows a more serious problem than may be immediately apparent.

The top of this trim has small holes that allow it to be attached to a substrate without drilling into the vinyl. J channel is often used for corners and edges and around openings like windows and doors. In our photo at above left it looks like really sloppy j channel work during siding installation leaving a leak at the window sill. It is also used to cover cut pieces of siding under windows and at eaves.

Drive roofing nails every 8 to 10 in. Any attempt to caulk or seal this area using another method is not likely to have a long term result. The siding is inserted into the folded j channel. Don t drive them tight.

Beginning at the bottom of the foundation siding is installed by hooking a j channel onto a protruding. The vinyl siding trim pieces should slide back and forth slightly. A j channel looks like its name resembling the letter j when viewed from the side. The broken j channel is clearly the most likely source of a leak in vinyl siding.

I would recommend removing the siding around the window and replacing the j channel. Install j channel under the window. Through the middle of the slots. Cut and position an undersill trim if necessary see when to use undersill trim.

The j channel is the groove in vinyl siding that locks the individual pieces together. Without j channel trim in place the siding would look messy and slipshod. When vinyl j channel is used at the bottom like this proper flashing is essential especially at the corners. The bottom curves around hiding the end of a piece of vinyl siding.