Mull-It-Over Trim Caps

sounds solutions for glass buildings

The standard design detail for many leading architectural firms.

The Mull-It-Over Mullion Trim Cap provides the coordinated transition between interior and exterior systems so they perform to their full potential. Noise transfer between rooms is no longer a problem.

Product Line

Classic Sound Barrier Mullion Trim Cap

This mullion cap is compatible with most curtain wall systems with standard demising wall construction

Flush Sound Barrier Mullion Trim Cap

This mullion cap provides a clean transition solution while maintaining a high STC.

Wide Sound Barrier Mullion Trim Cap

This mullion cap has an extra wide return leg extension for locations with wide dimension walls or offset wall construction.

Wide Sound Barrier (No Mullion)

For lo-rise construction only

Classic Sound Barrier Mullion Trim Cap with 1-Hour or 2-Hour Fire Rating

A layer of intumescent foam is added to the Classic sound barrier mullion trim cap to provide a 1-Hour Fire Rating.