Why siding over existing siding is a bad move.
Can you install hardie siding over existing siding.
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.
It works really well when being placed over almost any surface.
Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding.
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.
Even if you don t have damage and want to install new osb we can do that.
This is important before installing hardie plank siding or any siding for that matter.
Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.
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.
One major stipulation with the james hardie siding warranty is that it specifically states that if.
Installing vinyl over wood siding does require considerable.
On existing houses old vinyl or metal siding must be removed but vinyl can be installed over old wood siding without removing it.
This type of siding can be placed over some existing siding but most will not be good.
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.
With other siding types fiber cement engineered wood etc.
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.
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.