Any imperfections in the wall will almost always show up in the siding.
Can you put vinyl siding over metal siding.
The main concern to understand is that the hardieplank siding is going to be on the house for.
Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.
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.
There are two options for this.
Installing vinyl over wood siding does require considerable.
The long slots in the siding are for that reason so the vinyl can slide as it expands in the heat of the day and not warp marring the appearance.
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.
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.
On existing houses old vinyl or metal siding must be removed but vinyl can be installed over old wood siding without removing it.