Installing Hardiplank Siding Over Existing Siding

James hardie siding is made of cement so it will absorb moisture if it is installed like this.

Installing hardiplank siding over existing siding.

Find a local contractor. Keeping your existing siding. Now you probably want to know just how you re supposed to decide. Install hardiplank siding with joints butted in moderate contact.

Without properly inspecting and examining your current siding it s probably hard to tell its actual condition. The hardie website is unclear on this issue. The first course of any wall should be installed over a 1 4 lath strip to ensure a consistent plank angle see figure 1. Vinyl siding must be installed against a flat surface.

It s recommended whether you choose new osb or your current siding if it s in good shape and installed to the studs. 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. Thank you for any information. If the wood siding is beveled or lapped you.

Several contractors have suggested that the wood siding need not be removed. Why siding over existing siding is a bad move. Installing vinyl siding over wood siding wood must be sound. The best way to get the performance you expect from your james hardie products is to work with a professional contractor.

Does this mean that hardieplank cannot be installed directly over existing wood siding without voiding the warranty. Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall. This would be on an older house but the wood siding is in good condition. If hardie is installed too close to these surfaces there is a chance that the paint will start to bubble and peel.