The most common practice when installing vinyl siding over existing wood shingles or clapboard is to first put up rigid foam or fan fold.
How to install vinyl siding over old wood lap siding.
Window and door frames may need to be adjusted to match the new thickness of the wall.
Why siding over existing siding is a bad move.
This goes for fiber cement hardwood and masonite siding.
These products are designed primarily to pad imperfections on the walls so the new layer of siding will lay flatter.
If it isn t there will be more steps that need to take place before it becomes possible and you might need the help of wood siding repair contractors to have the bad boards replaced which isn t always easy to do for the homeowner himself.
Installing vinyl siding over wood siding.
On older homes any old siding vinyl or metal needs to be removed.
Adding vinyl siding to your home is a great and economical way to update the look of your home that is very affordable.
One major stipulation with the james hardie siding warranty is that it specifically states that if.
Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify.
If there isn t a moisture barrier beneath the old wood siding you ll want to install one over it before you add the new vinyl siding.
It s especially affordable when it placed over existing siding because the labor of removing the old siding is not needed.
There are a few things that you ll need to know when doing this however.
If however you have metal or old vinyl siding that will need to be removed before new vinyl is installed.
While covering lap siding with vinyl is an option for some siding other varieties of lap siding can t be covered by vinyl.
It s no wonder why.
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.
Cost of adding new siding.
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.
Yes you can put vinyl siding over existing wood siding assuming its condition is still good.
A current trend in home remodeling is doing away with wood siding and installing vinyl siding on the exterior of homes.
Vinyl siding needs no maintenance and is rot uv and insect resistant source.
Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding.