Product Info

  • STC rating of a drywall partition curtainwall mullion assembly increased from an STC 28 to an STC 54 with MULL-IT-OVER mullion caps installed. ASTM E 90 Sound Transmission Loss Testing performed at Architectural Testing Inc., York, PA.
  • MULL-IT-OVER mullion caps are available in anodized or custom paint finishes to match any curtainwall mullion finish.
  • MULL-IT-OVER mullion caps can be used in new construction or added to an existing wall.
  • Easy to install
  • Meets demising wall STC rating requirements of IBC and 2010 Healthcare Guidelines.

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Contact us for more information!

(616) 730-2162

Contact Us:

(616) 730-2162
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