Mull-It-Over Sound Barrier Mullion Trim Caps explained in 2 minutes. The ExpandaMull ™ For decades, point-loaded steel-spring partition gap fillers enabled critical differential movement between interior and exterior building systems.

This mullion cap is compatible with most curtain wall systems with standard demising wall construction making it the standard wall termination detail for buildings with store front, curtain wall or ribbon window facades.

Classic Sound Barrier Mullion Trim Cap With a low profile 7/8" return leg, this mullion cap delivers high performance in a compact size. This mullion cap is compatible with most curtain wall systems with standard demising wall construction making it the standard wall termination detail for buildings with store

barrier mullion trim cap will be applied. C. Measure and mark sound barrier mullion trim cap for proper length and for notching around horizontal mullions, sills or other obstructions.

This mullion cap is compatible with most curtain wall systems with standard demising wall construction making it the standard wall termination detail for buildings with store front, curtain wall or ribbon window facades.

mullion trim cap is cut or notched, straighten the clip ends, relocate steel clip by 6” to the nearest slotted holes, push the clip ends through the intumescent foam and bend clip ends over to secure the intumescent foam.

The Mull-It-Over Mullion Trim Cap is a simple and clean trim detail for the exposed end of a partition wall that allows for differential movement between the partition and glass systems. Easy to install during new construction or added during retrofit to correct existing sound transfer problems or code violations.

install Mull-It-Over sound barrier mullion trim caps to partition walls that are not properly constructed. B. Clean the mullions and glass adjacent to the vertical mullion where the Mull-It-Over sound barrier mullion trim cap will be applied. C. Remove the intumescent foam with 3/4” blanket and steel clips and set aside. Measure and

Profile or Fire Rated Mullion Trim Caps. Select a Mull-It-Over Mullion Trim Cap profile that is compatible. Additional profile option information shown at mullitoverproducts.com

Click Facts for additional sound barrier mullion trim cap information or Detail & Specifications for downloadable CAD, Revit and Specification Files.