
SoundSentry STC 40
The SoundSentry STC 40 acoustic sectional door conforms to the ASTM E-413 (Classification for Rating Sound Insulation) standard
At Thermostop, we manufacture acoustic control room and observation room doors engineered for high STC sound isolation, safety, and long-term durability. Designed for monitoring, testing, and command environments in industrial facilities.

The SoundSentry STC 40 acoustic sectional door conforms to the ASTM E-413 (Classification for Rating Sound Insulation) standard

The SoundEntry door STC 40 acoustic entrance door conforms to the ASTM E-413 (Classification for Rating Sound Insulation) standard.
The Thermostop acoustic doors are specially designed for the work environment. Compressor room, observation & control room acoustic doors, diesel & gaz generator room, personnel noise shelter require acoustic doors such as the SoundEntry, SoundSentry and SoundSlider which offer a Sound Transmission Class (STC) 40. All Thermostop acoustic doors feature 16ga. steel skins with a 4” thick acoustic foam core.
Contact Thermostop for a personalized quote and to discuss your acoustic control or observation room door requirements. Our team will help you specify the ideal sound-isolating door solution for performance, safety, and longevity.
Since 1984, Thermostop has been a reputable manufacturer of Industrial Sectional Doors, Cold Storage Doors and Specialty Doors such as Impactable Breakaway doors, Acoustic Doors and Ballistic Doors.
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