Piedmont Plug mullion treatment
An architectural acoustical product for the gap where interior partitions meet exposed window mullions. Manufactured by Ritz Interiors, Inc.
Where the partition meets the mullion
Where a partition meets a glass curtain wall, the junction at the window mullion can provide a path for unwanted sound transfer between rooms.
The Piedmont Plug is designed for this transition. Acoustical sealant closes the gaps between the partition and mullion before the plug is fitted along the mullion height.
Standard and M-Series plugs
Standard fabric-covered plug
The standard detail identifies a fabric face layer over the plug core, installed on each side of the window mullion. The fabric chart provides named color references.
Explore fabric colorsM-Series aluminum
The M-Series detail identifies an aluminum face layer, plug core, and neoprene gasket. Its separate finish chart includes painted and anodized aluminum options.
Review the technical detailsCommercial interior applications
The product literature lists the following common applications:
- Demising walls between tenant spaces
- Conference rooms and private offices
- Break rooms and huddle rooms
- Audio visual rooms
Product literature
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