According to the best practices manual from james hardie existing siding can be used as a substrate as long as it is in good condition meaning that it is not warped bowed curling delaminated or rotting.
Siding over existing.
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Vinyl siding must be installed against a flat surface.
The client had.
On this particular job the home already had aluminum siding.
Existing wood siding must be in good shape with no rot or mold and fastened tightly to the wall.
Vinyl siding over existing wood siding.
The manufacturers specifically say that to install their product over existing siding is to void the warranty.
Just follow the manufacturer s installation instructions.
Surprisingly many vinyl siding manufacturers state that it s perfectly acceptable to install their product over old siding.
Vinyl siding needs no maintenance and is rot uv and insect resistant source.
This is the main task to tackle to make sure that there are no preexisting issues on the home.
This goes for fiber cement hardwood and masonite siding.
Installing siding over siding.
It also eliminates the problem of mold forming when insulation is attached directly to the substrate.
The trim will the windows will be a bit deeper than perhaps you ve seen in the past but that siding can stay just like that.
A case study in how it can go horribly wrong almost there.
With other siding types fiber cement engineered wood etc.
We also slapped a new window.
If you do decide to cover your lap siding in vinyl you ll need to first layer the existing lap siding with highly durable foam insulation and a moisture prevention barrier.
Going over the existing siding adds to the r value by creating an air space between the insulation and old siding.
Here s the new wall wrapped in tyvek just before the siding was installed.
If the wood siding is beveled or lapped you.
A current trend in home remodeling is doing away with wood siding and installing vinyl siding on the exterior of homes.
Below are 16 best pictures collection of installing vinyl siding over wood siding photo in high resolution.
It s no wonder why.
Never never never let a contractor remove your old siding and install a tyvek material with insulation over the top.
Installing vinyl siding over wood siding wood must be sound.