On existing houses old vinyl or metal siding must be removed but vinyl can be installed over old wood siding without removing it.
Can you put vinyl siding over metal siding.
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.
Any imperfections in the wall will almost always show up in the siding.
Why siding over existing siding is a bad move 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 bite you down the road.
Installing vinyl over wood siding does require considerable.
The main concern to understand is that the hardieplank siding is going to be on the house for.
There are two options for this.
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.
Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.
If you don t want to remove the metal siding just remove all the moldings to make a flat surface and put the vinyl on with special screws i forget what they were called.