Acoustic. Blast. Pressure. Bullet Resistive. Radiation Shielding. Overly Door Company is a custom specialty door and window manufacturer. Industry leading architects utilize our products to achieve the exact protection specification their facility requires. We provide many “out-of-the-box”custom barrier systems. Specify Overly Door Company for all of your standard or custom acoustical, blast and bullet resistant, radiation shielding, or GSA vault door needs.