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.

Never install vinyl siding over rotten wood. 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. Remember that vinyl siding expands and contracts so you can t nail it securely into place. Once you have attached the first board to the starter strip you will want to check that it was level in its installation.

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. 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.

Installing vinyl aiding over lap siding. Using chalk mark intervals around the house where you will install the vinyl panels. Before moving forward we always say don t self diagnose your siding issues. You ll need to remove and replace any rotten areas before you install vinyl siding.

This goes for fiber cement hardwood and masonite siding. House wrap usually is placed. 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. Since you need a firm base to install vinyl siding you first need to remove old vinyl and expose the underlying wood.

These products are designed primarily to pad imperfections on the walls so the new layer of siding will lay flatter. Install the starter strip. Nail down any loose boards as well. 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.