How To Install Vinyl Siding J Trim

The siding slides behind vinyl siding trim pieces that hide the gap and the cut end.

How to install vinyl siding j trim. Vinyl soffit and fascia installation guide open eave installation. Vinyl siding installation is designed to hang loosely on the sheathing so that it can expand and contract with temperature changes. The bottom of the starter strip the part the bottom panel hooks on to should be at least 1 in. 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.

Leave room for the expansion. Measure and cut the soffit. Nail j channel pieces under the fascia. Install lengths of j channel along the inner edge of the fascia.

J channel on inside wall and behind fascia board fig. Place the corner post in position allowing a 1 4 6 4mm gap between the top of the post and the eave or soffit. Install j channels at doors and windows and under roof eaves and rakes. Siding the soffit and fascia area 1.

If the soffit on your house wraps around a corner you will need to. Below the top of the foundation but the lower the vinyl siding is installed the better. Most suppliers sell two sizes of starter 2 1 2 in. Along the tops install j channel trim with horizontal siding and base trim with vertical siding.

To prevent the relatively thin panels from buckling observe these fitting and nailing rules. Position a nail at the top of the upper slot on both sides of the corner post leaving a gap of approximately 1 32 0 8mm between the nail heads and the corner posts. Gap at all ends. Install the trim by nail the longer side of the j to the framing lumber with the washer head metal siding nails.

After you have cut the j trim to measurements secure the trim to the sides of the windows first with the 1 inch roofing nails. Spend the extra few bucks on the wider stuff and start your siding a bit lower. For open overhangs use f trim which has been nailed to the wall of the house. Cut the trim so it is two channel widths longer than the opening s width.

Step 1 attach the j trim along the line that will form the upper edge of the metal siding. Step 3 attach j trim. Because vinyl expands and contracts do not nail the trim too secure. Understand how to deal with wrap around soffit.