Installing Siding Over Existing Siding

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.

Installing siding over existing siding.

The client had. Click the image for larger image size and more details. Here s the new wall wrapped in tyvek just before the siding was installed. Installing siding over siding.

The manufacturers specifically say that to install their product over existing siding is to void the warranty. Install the starter strip. Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall. A case study in how it can go horribly wrong almost there.

We also slapped a new window. Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding. With other siding types fiber cement engineered wood etc. If it isn t there will be more steps that need to take place before it becomes possible and you might need the help of wood siding repair contractors to have the bad boards replaced which isn t always easy to do for the homeowner himself.

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. On this particular job the home already had aluminum siding. Vinyl siding over existing wood siding. If the wood siding is beveled or lapped you.

Vinyl siding must be installed against a flat surface. Yes you can put vinyl siding over existing wood siding assuming its condition is still good. The trims and all the siding have to hang somewhat loosely upon nails to enable the siding to grow and contract. Because of expansion make sure to leave an extra of an inch 6 centimeters on each side of the panels.