Jack, The siding you are referring to is a composite and does not have to be removed. Any damaged areas could become friable but this can be easily remedied. For any further info, contact me anytime....914-419-8442.
As far as your question pertaining to price per square foot. It ranges from $130 to $240..average around $200.... but there are many factors that determine this. Style of home, Condition, lot size are just a few. Again, call me anytime and I'll be happy to persue this in more detail. Best to you...John... more