How To Put Sheet Metal Siding Over Existing Siding

These products have gotten a bad reputation in recent years due to reports of panels that buckle delaminate or come loose from the wall.

How to put sheet metal siding over existing siding.

The corner posts are the pieces of siding that will wrap around the corners of the surface you re working on. Nail the sheet into place using the holes pre fabricated into the metal or nail the sheets to the studs according to manufacturer instructions. 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. The exact installation process may vary depending on the siding you re using but generally you will need to position the posts on the corners and then nail them into place using the cut out nail slots.

Sheet panel siding is an affordable option for covering a home s exterior. This type of siding can be placed over some existing siding but most will not be good. Snap a level chalk line around the bottom of the house about an inch above the bottom of the existing wood siding for a steel starter strip that will hold the bottom of the first row of vinyl. When installing each sheet be sure to hammer the nails into the pre cut holes.

Begin at the bottom corner of one side of the structure. The main concern to understand is that the hardieplank siding is going to be on the house for a very long time. Just like vinyl siding you ll need to ensure the siding surface is completely flat either by the old siding or by adding slats to the wall. Why siding over existing siding is a bad move.

Remove the siding and install oriented strand board commonly referred to as osb or to use the existing siding that s on the house now as substrate or layer beneath the top surface underneath the hardieplank siding. This is the most important step in the whole project in order to keep rain and snow from seeping under the metal siding. As you install the sheet metal siding be sure that the panels are lined up straight. 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.

Overlap each sheet by at least 2 inches. Any imperfections in the wall will almost always show up in the siding.