Installing Siding Over Old Siding

How to install vinyl siding over wood siding measure the amount of vinyl siding that you ll need to order.

Installing siding over old siding.

There are two options for this. Why siding over existing siding is a bad move. That s why it s important to make sure that the quote you get includes removal of the old siding. Start with the side of your house with the least.

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. Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding. The main concern to understand is that the hardieplank siding is going to be on the house for a very long time. Never install vinyl siding over rotten wood.

Vinyl siding must be installed against a flat surface. 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. Installing vinyl siding over wood siding wood must be sound. If the wood siding is beveled or lapped you.

Take your measurements to the hardware store and order your choice of vinyl siding. Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall. With other siding types fiber cement engineered wood etc. The manufacturers specifically say that to install their product over existing siding is to void the warranty.