Mullion Mate®
Mullion Mate® Partition Gap Closures create 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!
Mullion Mate® Pro
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- Closes Gaps from 4” up to 8-1/2”
- Lateral Movement up to 1-15/16″
- U.S. Patent No. 12,024,881
Mullion Mate® Pro FR
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- Closes Gaps from 4” up to 8-1/2”
- Lateral Movement up to 1-15/16″
- 2-Hr Fire Rated per UL-2079 and CAN/ULC-S115
Mullion Mate® Plus
(Against the Glass)
- Closes Gaps from 2” up to 13-1/2”
- Lateral Movement up to 1-15/16″
- U.S. Patent No. 12,442,181
Mullion Mate® Plus
(Against the Mullion)
- Closes Gaps from 2” up to 13-1/2”
- Lateral Movement up to 1-15/16″
- U.S. Patent No. 12,442,181
Mullion Mate® Snap
Partition Wall End Caps
Instructional Videos
Product Data – Mullion Mate® Partition Gap Closures
Revit Families – Mullion Mate®
Mullion Mate® Pro Consolidated Set
Mullion Mate® Pro Fire Rated Consolidated Set
Mullion Mate® Plus Consolidated Set
Mullion Mate® Snap Consolidated Set
Mullion Mate® End Cap Details
Mullion Mate® Pro Specifications
Mullion Mate® Pro Fire Rated Specifications
Mullion Mate® Plus Specifications
Mullion Mate® Snap Specifications
Gap Closures for Fire Rated Walls
Technical Data (Seismic)
Mullion Mate® White Paper
Mullion Mate® Pro Installation Instructions
Mullion Mate® Pro Fire Rated Installation Instructions
Mullion Mate® Plus Installation Instructions
Mullion Mate® Snap Installation Instructions
Field Painting Mullion Mate®
Cleaning & Maintenance
Third-Party Certifications
