Mullion Mate ®
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!
Maneuver the Movement
Mullion Mate accommodates lateral movement up to 1-15/16″ caused by Seismic, Thermal and Wind Sway.
Tame the Noise between rooms
Mullion Mate Series 60 provides up to 62 STC.
Save money on labor
Mullion Mate installs in 5 minutes!
Mullion Mate Profiles
Series 60
- Closes Gaps from 4” up to 8-1/2”
- Provides up to 62 STC
- Patent Pending
- 2-Hr Fire Rated per UL 2079
Series 60 Sizes
Mullion Mate 4 – 4″ minimum to 5-7/16″ maximum opening
Mullion Mate 5.5 – 5-1/2″ minimum to 6-15/16″ maximum opening
Mullion Mate 7 – 7″ minimum to 8-1/2″ maximum opening
Series 40
- Closes Gaps from 2” up to 13-1/2”
- Provides up to 58 STC
Series 40 Sizes
Mullion Mate 2 – 2″ minimum to 2-15/16″ maximum opening
Mullion Mate 3 – 3″ minimum to 3-15/16″ maximum opening
Mullion Mate 4 – 4″ minimum to 4-15/16″ maximum opening
Mullion Mate 5 – 5″ minimum to 6-15/16″ maximum opening
Mullion Mate 7 – 7″ minimum to 8-15/16″ maximum opening
Mullion Mate 9 – 9″ minimum to 13-1/2″ maximum opening
Series 30
- Closes Gaps from 2” up to 13-1/2”
- Provides up to 39 STC
Series 30 Sizes
Mullion Mate 2 – 2″ minimum to 2-15/16″ maximum opening
Mullion Mate 3 – 3″ minimum to 3-15/16″ maximum opening
Mullion Mate 4 – 4″ minimum to 4-15/16″ maximum opening
Mullion Mate 5 – 5″ minimum to 6-15/16″ maximum opening
Mullion Mate 7 – 7″ minimum to 8-15/16″ maximum opening
Mullion Mate 9 – 9″ minimum to 13-1/2″ maximum opening
Series 20
- Closes Small Gaps from 1” up to 2”
- Patent Pending
Series 20 Sizes
Mullion Mate 1 – 1″ minimum to 1-7/16″ maximum opening
Mullion Mate 1.5 – 1-1/2″ minimum to 2″ maximum opening
Partition Wall End Caps
Videos
Green By Design
- Products contribute to LEED® certification
- In-House Finishes
- Biodegradable pre-treatment and powder coating (no phosphates)
- No hazardous waste
- No VOC’s
- No Heavy Metals
- Reference our sustainability page for more information.
Product Data
Revit Families – Mullion Mate (Series 30/40/60)
Mullion Mate Series 60 Consolidated Set
Mullion Mate Series 40 Consolidated Set
Mullion Mate Series 30 Consolidated Set
Mullion Mate Series 20 Consolidated Set
Mullion Mate End Cap Details
Mullion Mate Series 60 (2HR Fire Rated) Specifications
Mullion Mate Series 60 Specifications
Mullion Mate Series 40 Specifications
Mullion Mate Series 30 Specifications
Mullion Mate Series 20 Specifications
Gap Closures for Fire Rated Walls
Examples of Installed Mullion Mate
