Mullion Mate^® is an adjustable partition closure that creates a seamless transition between window mullions (curtain walls), windows, and partition walls. Aesthetically pleasing, these spring-loaded partition closures bridge the gap to fit a variety of openings and provide excellent noise reduction up to 60 STC. Finished to match mullions, factory cut to length, and arriving to the jobsite pre-assembled, Mullion Mate’s ease of installation creates the solution to an everyday problem.

Design Attributes

• For vertical junctions between partition walls and window mullions
• Finished to match mullions
• Clear, medium, or dark bronze anodized, and Champagne
• Field paintable finish
• Powder coated in standard or custom colors (AAMA2604/AAMA2605)
• Custom Finishes available upon request
• Factory spring loaded to fit a variety of opening sizes
• Pre-assembled for ease of installation
• Factory cut to desired height, maximum 192″
• Optional Mullion Mate end cap to finish partition walls

Series 60*

• Closes Gaps from 4” up to 7”
• Double Mullion Mate® design surrounds the window mullion, increasing STC up to 60.

Series 40

• Closes Gaps from 2” up to 14”
• Provides up to 56 STC

Series 30

• Closes Gaps from 2” up to 14”
• Provides up to 37 STC

Finish Options

AAMA 2604 Powder Coat Finishes Download PDF

AAMA 2605 Powder Coat Finishes Download PDF

Antimicrobial Finishes