Historically, large pieces of glass used to be expensive to manufacture so windows were made with smaller panes puttied into frames—known as true-divided light. As glass technology improved in the 20th century and energy efficiency became more of a consideration, these multi-paned windows were replaced by larger single pane varieties. Today, you can get the benefits of energy efficient glass with the historic look of divided light, including removable grilles.
By Larry Bilotti
Donna Boyle Schwartz
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