How To Overlap J Channel Siding

Cut and bend the drain tab.

How to overlap j channel siding.

Mitering j channel watertight a video about cutting vinyl j channel for mitered corners making them watertight. For doors and windows cut and install the top j channel piece flush with the outer face of the side j channels. Step 1 attach the j trim along the line that will form the upper edge of the metal siding. Measure each piece of trim so that it will be two channel widths longer than the opening itself.

Now any water that runs inside the j channels will come out on top of the siding and out the weep holes designed for this purpose. Overlap the flashing onto the row of siding just below the window. Install the trim by nail the longer side of the j to the framing lumber with the washer head metal siding nails. This is referred to as a j channel.

Watch this video learn how to install accessories on multi story structures or very long expanses to allow for expansion and provide water drainage. For the doors cut your side j channel pieces similar to the way you did for the windows. For the best results try to create seams as far away from the focal point. 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.

Cut a piece of flashing out of felt paper and install it at the bottom corners of the windows before you install the side j channels.