A new generation of wood fillers hardeners and epoxies fill holes and firm up soft spots so they are as strong as the original wood.
How to repair siding holes.
You can mend small holes such as nail holes with exterior caulk designed to stick to vinyl.
Squirt a generous dollop of exterior caulking that matches the color of the siding into the hole.
Holes an inch or two across or long narrow holes that still appear patchable require.
How can you repair holes in vinyl siding caused by storm damage tom repairing small holes.
These small repairs can add years to the life of the siding.