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.
Can you put vinyl siding over metal siding.
Installing vinyl over wood siding does require considerable.
Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.
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.
On existing houses old vinyl or metal siding must be removed but vinyl can be installed over old wood siding without removing it.
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.
There are two options for this.
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.
When you put siding on don t nail it tight you should leave a 1 8 1 4 inch between the nail head and the furring strips so the vinyl in between can easily move.
Any imperfections in the wall will almost always show up in the siding.