Architectural Partition Gap Closure

Mullion Mate® is an adjustable partition closure that creates a seamless transition between curtain walls, windows and partition walls. It is the only partition gap closure that can accommodate lateral movements caused by SEISMIC, THERMAL and WIND SWAY, while providing high acoustical value up-to 62 STC. All of this and our 2-Hr Fire Rating. Install it in 5 minutes or less!

  • Closes Gaps from 4” up to 8-1/2”

  • Lateral Movement up to 1-15/16″

  • U.S. Patent No. 12,024,881

  • Provides up to 62 STC

  • 2-Hr Fire Rated per UL 2079

  • Learn More

Previous
Previous

Containment Wall

Next
Next

Mullion Mate® Plus (to Glass)