Installing Trim Over Siding

Gap at all ends.

Installing trim over siding.

The most common approach here is to install sill trim at the soffits rip down the top course of siding and crimp the siding so the sill trim holds it in place. Even though most reputable contractors will never install siding over existing siding there are knuckleheads out there that will say you can do it and it s not a problem. This works fine most of the time but always add a few blobs of caulking inside the bottom lip of the top course for extra security. Then install the front facing trim so it overlaps the side trim.

Why siding over existing siding is a bad move. Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall. Before you replace the siding cut and install new j channels to prevent water from leaking into your home. 01 28 2015 at 04 33 pm.

Instruction on how to install exterior 2x4 trim around a new or old window. Lock the panel into the one below it then gently snug it up before nailing. Cut the horizontal piece to size and snap it in place over the vertical moldings. Vinyl siding must be installed against a flat surface.

If the wood siding is beveled or lapped you. The main difference in the installation instructions from glancing through them both is that the hz10 product is permitted to have the trim installed over the siding while the hz5 product is not. Yes you may be able to save some money by not removing the old siding but that old siding could be hiding problems that may. Best way to cut vinyl siding and installation leave a 1 4 in.

Last edited by jerry peck. For an attractive corner install the trim on the sides of your house flush to the face of the house. Marking the position of each piece before.