Install New Siding Over Old Siding

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

Install new siding over old siding.

Never install vinyl siding over rotten wood. You can install vinyl siding over old wood siding but should not try to install new vinyl siding over old vinyl siding. Start with the side of your house with the least. The first is your moving the siding of the house about 3 4 of an inch outward.

Foam board is however often. Removing existing siding and installing osb has several benefits such as having brand new substrate on the home and the ability to inspect the wall cavity and all framing insulation and structural integrity of the home before replacing siding. There are a few things that you ll need to know when doing this however. Installing vinyl siding over wood siding wood must be sound.

One major stipulation with the james hardie siding warranty is that it specifically states that if any project is not installed according to the best practices standards the warranty on that material is null and void. Why siding over existing siding is a bad move. It s especially affordable when it placed over existing siding because the labor of removing the old siding is not needed. Since you need a firm base to install vinyl siding you first need to remove old vinyl and expose the underlying wood.

In most cases you can put new siding directly on top of old siding without having to remove the old siding first and in addition it will in fact add an addition layer of insulation thereby helping lower your energy bill. With other siding types fiber cement engineered wood etc. There are online siding calculators that will help you. Take your measurements to the hardware store and order your choice of vinyl siding.

Vinyl siding must be installed against a flat surface. That s why it s important to make sure that the quote you get includes removal of the old siding. 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. If the wood siding is beveled or lapped you.

Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall.