"Suburban recently installed new windows and doors in our home. The work was done in a timely fashion, leaving no mess behind. They even re-hung our blinds and drapes. Their service before and after t... » more
- Steve and Chris Flowers of Moline, Illinois


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Mullion

A post or divider which runs from sill to frame top in a multi-panel door, door, or door and sidelite assembly. In stile and rail doors, the vertical wood parts which seperate panels.

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