How To Install Vinyl Siding Over Wood Lap Siding

Many people think installing vinyl siding over wood siding heck installing vinyl siding in general is an easy task.

How to install vinyl siding over wood lap siding.

Sure it s duty free resists insects rotting and doesn t need to be painted. 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. Never install vinyl siding over rotten wood. The trims and all the siding have to hang somewhat loosely upon nails to enable the siding to grow and contract.

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. Nail down any loose boards as well. There are a few options for lap siding that can be covered by vinyl as long as they are still in good condition. Since you need a firm base to install vinyl siding you first need to remove old vinyl and expose the underlying wood.

Using chalk mark intervals around the house where you will install the vinyl panels. House wrap usually is placed. This goes for fiber cement hardwood and masonite 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.

You ll need to remove and replace any rotten areas before you install vinyl 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. The most common practice when installing vinyl siding over existing wood shingles or clapboard is to first put up rigid foam or fan fold. Once you have attached the first board to the starter strip you will want to check that it was level in its installation.

Because of expansion make sure to leave an extra of an inch 6 centimeters on each side of the panels. Remember that vinyl siding expands and contracts so you can t nail it securely into place. The ends are then pushed into the j channel on the ends. Install the starter strip.

Installing vinyl aiding over lap siding.