The main concern to understand is that the hardieplank siding is going to be on the house for a very long time.
Installing siding over old siding.
Never install vinyl siding over rotten wood.
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.
Why siding over existing siding is a bad move.
Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding.
Vinyl siding must be installed against a flat surface.
6 tips for installing vinyl siding over old wood siding you can install vinyl siding over old wood siding but should not try to install new vinyl siding over old vinyl siding.
With other siding types fiber cement engineered wood etc.
There are two options for this.
If the wood siding is beveled or lapped you.
Start with the side of your house with the least.
The manufacturers specifically say that to install their product over existing siding is to void the warranty.
How to install vinyl siding over wood siding measure the amount of vinyl siding that you ll need to order.
Installing vinyl siding over wood siding wood must be sound.
You ll need to remove and replace any rotten areas before you install vinyl.
That s why it s important to make sure that the quote you get includes removal of the old siding.
There are online siding calculators that will help you.