If your fiberglass or steel entry door from Pella was delivered without an interior or exterior finish (paint or stain), you must finish it within 30 days to protect your investment.If your wood entry door from Pella was delivered without an interior or exterior finish (paint or stain), you must finish it within 14 days to protect your investment. The Pella warranty does not cover issues associated with failure to properly finish in a timely manner. Get complete details on your warranty, including exceptions and limitations.