The Home Doctor’s home exterior services focuses on providing replacement windows, entry doors, home siding, replacement roofing, gutters and attic insulation. Your home is your most valuable asset and keeping it in good shape is important even if you plan to stay in your home for a long time. But if you are planning on selling your home in the near future a prime selling point is curb appeal. It is important to make sure your home exterior is clean and fresh looking. Replacement windows and roofing are considered the number one and two important home improvements that will help your curb appeal.