Generally the best idea is to remove any existing siding from your exterior walls before installing the vinyl siding.
Covering wood siding.
If the wood siding is beveled or lapped you will need vertical furring strips 16 inches apart covered with rigid foam board to provide a flat surface.
While covering lap siding with vinyl is an option for some siding other varieties of lap siding can t be covered by vinyl.
If it isn t there will be more steps that need to take place before it becomes possible and you might need the help of wood siding repair contractors to have the bad boards replaced which isn t always easy to do for the homeowner himself.
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.
Clapboard siding uses planks of wood installed horizontally with an upper piece that overlaps the lower piece.
Furring strips can be 1 by 2 inch or 1 by 4.
Since the material is relatively flat the new siding can be installed easily and this also adds an additional layer of security for the siding.
Wood siding comes in clapboard also known as lap or bevel siding as well as shakes and shingles.
Covering flat walls such as t 111 or stucco siding is usually a prime siding for re siding.
Using existing siding for replacing siding the best place to start is to closely examine the existing siding to get a good understanding of what condition it is actually in.