Can You Install Hardie Siding Over Existing Siding

It works really well when being placed over almost any surface.

Can you install hardie siding over existing siding.

Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding. Installing vinyl over wood siding does require considerable. But if you re considering using another type of siding for instance fiber cement siding or james hardie siding you may have the same options. 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.

With other siding types fiber cement engineered wood etc. One major stipulation with the james hardie siding warranty is that it specifically states that if. This is important before installing hardie plank siding or any siding for that matter. 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.

The manufacturers specifically say that to install their product over existing siding is to void the warranty. Number one you can t shoot the hardiplank siding into the voids in your dutch lap siding. 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. Imo it would not be a good idea to go over it.

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. Even if you don t have damage and want to install new osb we can do that. 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.

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.