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. Install it in 5 minutes or less!

Features

• Closes Gaps from 2" up to 13-1/2"
• Provides up to 39 STC