Sound (STC)

HMF Express offers a wide variety of sound control openings from sound transmission class (STC) 38 up to 54.

  • All of our STC doors are 1 3/4″ thick

Find out more by clicking on the attachments (below left), or contact our sales team

Features

  • Seamless welded butted edge seams
  • Proprietary sound deadening core
  • Sold as assembly, with frame and seals
  • Construction per HMMA 865

Construction Options

  • Maximum door width 48″
  • Maximum door height 96″
  • Flush or 6-panel (STC 38) doors
  • Hardware options vary with STC rating (see attachments)

Certifications

  • Sound transmission classes per ASTM E413:
    • 54
    • 51
    • 46 single (standard core)
    • 46 single (superior core)
    • 46 pair
    • 42
    • 38

Lead Time Options

  • Standard: 15 business days¹ ²

¹ Consult factory for options on larger projects or expedited orders
² Lead time based on available capacity at time of order

HMF EXPRESS