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Acoustical Capabilities

Noise is one of the single most common complaints at hotels, condos, and other commercial properties. For this reason, STC (Sound Transmission Class) ratings have become a primary consideration when choosing doors for large-scale projects. VT's sound resistant STC doors and jambs are found in every application from airports, healthcare and hospitality facilities, to government and municipal buildings, as well as educational institutions.

STC Calculator

Eggers Division STC Calculator

Gasketing Installation Instructions

View VT's Acoustical Product Navigator

STC RATING WHAT CAN BE HEARD THROUGH DOOR
20-25 Very poor - Low speech audible
25-30 Poor - Normal speech understood easily and distinctly
30-35 Fair - Loud speech understood fairly well
35-40 Good - Loud speech heard but hardly intelligible, this is the onset of acoustic “privacy”
40-50 Very Good - Loud speech heard faintly, 90% of a typical group sample not annoyed
50-52 Excellent - Loud sounds heard faintly or not at all, 99% of a typical group sample not annoyed

VT offers a wide variety of acoustical doors including:

  • Flush doors through STC 52

  • Stile and rail doors through STC 40
  • Frames and jambs through STC 45 when paired with VT doors
  • Applications that include single swing, standard swing pairs, doors and transoms, and dutch doors
  • Applications with and without lites
  • Applications 20, 45, 60 and 90-minute fire ratings
  • Applications that provide x-ray as well as acoustical performance
  • Applications tested in wood frames
  • Applications for airport housing noise abatement programs