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

Finish Options

AAMA 2604 Powder Coating Finishes Download PDF

Antimicrobial Finishes

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

Brochure

Technical Data (Seismic)

Mullion Mate® Series 60 Installation Instructions

Mullion Mate® Series 30 & 40 Installation Instructions

Mullion Mate®Series 20 Installation Instructions

Field Painting Mullion Mate

Cleaning & Maintenance

Examples of Installed Mullion Mate®

PRODUCTSMULLION MATE® PARTITION GAP CLOSURES