Sally zimmerman the senior manager of preservation services at historic new england recommends that the unsiding process ideally be completed over two building seasons.
Risk of removing vinyl siding over wood.
And this is do you have to replace rotted wood before installing vinyl siding.
Depending on the level of rot i know that some of these repairs can be difficult.
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.
It would be wiser to remove the wood siding to make certain there is no damage.
Make no mistake restoring the historic siding of your home is an intense task and certainly isn t as easy as removing the vinyl siding and throwing on some fresh paint.
Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.
In addition any signs of insect infestation will remain an issue when covering the wood with vinyl so removing the wood siding is a better option.
Any home that is over 50 years old needs closely examined for moisture damage.
Why siding over existing siding is a bad move.
And the short answer is yes you do.
In this case the wood needs removed.
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.