The world we live in can be very noisy! People who live and work in the modern urban environment are routinely exposed to noise from automobiles, trains, and aircraft, not to mention the noise generated from an office full of people using telephones, computers, and copiers. And you can often count on the sound of lawnmowers and construction equipment cranking up as you’re beginning an important meeting or a project requiring plenty of concentration. The good news is that National Custom Hollow Metal offers custom-built Sound Transmission Control (STC) doors, and we can give you a free quote in two hours or less!
