The world is a very loud place, and city dwellers are unwittingly exposed to more noise than they realize! The average noise levels in urban and suburban environments range from 50 to 70 decibels (dBA), while noise levels near construction zones and highways typically range between 80 and 110 dBA. According to the United States Occupational Safety and Health Administration (OSHA), sustained exposure to 85 dBA or higher can cause permanent hearing loss. Business owners and managers have an obligation to protect their employees from all potential workplace hazards, and that’s where our team at National Custom Hollow Metal comes in!

Our Sound Safe line of Sound Transmission Control (STC) doors is an ideal solution anytime you need a few sound-rated openings quickly. We can manufacture STC doors in any size up to 4’ x 8’ as a complete installation-ready assembly, and they can be configured as a single or pair entry; the unit includes the door, frame, hinges, gasketing seals, flat thresholds, and door bottoms with your choice of either a brush sweep type or retractable auto door bottom.

Sound Safe doors are ideal for performance venues, recording studios, auditoriums, or any other place where silence is golden. STC ratings range from 20 to 60, with a rating of 20 offering average noise suppression, and a rating of 60 rendering virtually all outside noises inaudible. SoundSafe Doors have an STC rating of 51 to keep outside noise from distracting audiences trying to listen to speakers and performers, and they’re also an excellent option for boardrooms and meeting spaces where confidential or proprietary information is routinely discussed.

Sound Safe doors feature superior noise reduction capabilities, and we offer the fastest production cycle in the marketplace. All orders include free Quik Ship service, with lead times of approximately three weeks. And if you have a rapidly approaching deadline, we also offer expedited shipping timetables of 5-10 days for limited quantity orders. Most importantly, The Difference is Quality at NCHM, and we stand behind all our products with a one-year warranty!

If you have any questions or want to receive a quote on STC doors in two hours or less, contact us online or at 800-334-3070. Email us at [email protected].