Can You Install Hardie Siding Over Existing Siding

The manufacturers specifically say that to install their product over existing siding is to void the warranty.

Can you install hardie siding over existing siding.

Installing vinyl over wood siding does require considerable. Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify. This is important before installing hardie plank siding or any siding for that matter. Even if you don t have damage and want to install new osb we can do that.

Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding. Why siding over existing siding is a bad move. It works really well when being placed over almost any surface. On existing houses old vinyl or metal siding must be removed but vinyl can be installed over old wood siding without removing it.

With other siding types fiber cement engineered wood etc. Imo it would not be a good idea to go over it. And if a board does get wet but is not sitting in moisture for an extended period of time you can simply let it dry out before installing. Doing so also comes with its own benefits which includes the ability to inspect the wall and framing insulation and overall integrity of the home s structure.

Yes you may be able to save some money by not removing the old siding but that old siding could be hiding problems that may bite you down the road. Number two even if you tried to match the exposure of the existing siding let s say the dutch siding is 5 on center and you picked 6 1 4 hardi that would also have a 5 exposure so that you would always be nailing. This type of siding can be placed over some existing siding but most will not be good. Hardie plank joints butt joints james hardie siding is 12 feet long which means that siding on your longer walls will need to join together.

One major stipulation with the james hardie siding warranty is that it specifically states that if.