Sorry, had to answer the phone. PS to above.
"With all due respect to you , Bob, Masonite is the worst thing on the planet to use inside a car with all the temperature changes they go through."
Auto manufacturers still use it in present vehicles. Ford, Chrysler and Honda for sure.. When Michigan was first hit by this recession. I contracted a job inspecting the raw panels as they were shipped from Indiana to a shop in Detroit. There they were covered with a fabric, by a heat press machine. Molded wood fiber door panels and interior cover panels. Sealed with a clear coating.