As the nation’s leading manufacturer and most preferred brand of fiberglass and steel exterior door systems, ThermaTru offers our South Florida clientèle the beauty of a woodgrain finish, with the durability and energy efficiency of fiberglass and the strength of steel. With a huge product line meeting and exceeding Miami-Dade County requirements for impact rating, design pressures and water infiltration, ThermaTru continues to provide compelling designs and affordable door systems for a wide range of our clients.