Since you need a firm base to install vinyl siding you first need to remove old vinyl and expose the underlying wood.
How to install vinyl siding over wood lap siding.
House wrap usually is placed.
Once you have attached the first board to the starter strip you will want to check that it was level in its installation.
While vinyl lap siding is the easiest kind to install it still happens one panel at a time starting from the bottom starter strip.
The ends are then pushed into the j channel on the ends.
Never install vinyl siding over rotten wood.
This goes for fiber cement hardwood and masonite siding.
Using chalk mark intervals around the house where you will install the vinyl panels.
Vinyl also must be installed over a moisture barrier so if none exists under the wood siding the house will have to be wrapped with polyethylene or similar material.
Nail down any loose boards as well.
Before moving forward we always say don t self diagnose your siding issues.
However it is quite difficult to install vinyl over other varieties of lap siding because any imperfections in the wall will show up after installing the new siding.
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.
Install the starter strip.
You ll need to remove and replace any rotten areas before you install vinyl siding.
Sure it s duty free resists insects rotting and doesn t need to be painted.
Remember that vinyl siding expands and contracts so you can t nail it securely into place.
There are a few options for lap siding that can be covered by vinyl as long as they are still in good condition.
Installing vinyl aiding over lap siding.
The trims and all the siding have to hang somewhat loosely upon nails to enable the siding to grow and contract.
Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding.
The most common practice when installing vinyl siding over existing wood shingles or clapboard is to first put up rigid foam or fan fold.