Perhaps the most crucial difference between interior and exterior door happens inside of the door. Based on purpose, each door type requires a different insulation levels. Varying levels of durability are required. INTERIOR: Most interior doors have no insulation at all, and are often completely hollow inside.What are Masonite doors made of?
Masonite door is a frame covered by MDF with decorative trim. A frame is most often made of soft wood sticks, such as pine. Durable wood is wedged in the places of potential fixing a lock and a handle. An inner filling is of the form of cellular cardboard material.Who makes Masonite doors?
Masonite Doors: Practicality and Variety. Masonite is a widely used composite building material that was developed in the 1920s by William H. Mason. Mason was an engineer and an inventor. He created a composite wood manufactured from wood chips that are formed using steam to create long fibers.