The trims and all the siding have to hang somewhat loosely upon nails to enable the siding to grow and contract.
How to install vinyl siding over wood lap siding.
You ll need to remove and replace any rotten areas before you install vinyl siding.
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.
Using chalk mark intervals around the house where you will install the vinyl panels.
Because of expansion make sure to leave an extra of an inch 6 centimeters on each side of the panels.
These products are designed primarily to pad imperfections on the walls so the new layer of siding will lay flatter.
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.
The ends are then pushed into the j channel on the ends.
Installing vinyl aiding over lap siding.
While vinyl lap siding is the easiest kind to install it still happens one panel at a time starting from the bottom starter strip.
There are a few options for lap siding that can be covered by vinyl as long as they are still in good condition.
House wrap usually is placed.
Before moving forward we always say don t self diagnose your siding issues.
Install the starter strip.
Once you have attached the first board to the starter strip you will want to check that it was level in its installation.
Since you need a firm base to install vinyl siding you first need to remove old vinyl and expose the underlying wood.
The most common practice when installing vinyl siding over existing wood shingles or clapboard is to first put up rigid foam or fan fold.
Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding.
Sure it s duty free resists insects rotting and doesn t need to be painted.
This goes for fiber cement hardwood and masonite siding.
Remember that vinyl siding expands and contracts so you can t nail it securely into place.
Nail down any loose boards as well.