Muntins definitions

Muntins

Dividing bars between panes of glass.
Found on http://www.architecturaltrust.org/outreach/education/glossary-of-architectu

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Muntins

Horizontal or vertical bars that divide the sash frame into smaller lights of glass. Muntins are smaller in dimensions and weight than mullions.
Found on http://www.encyclo.co.uk/local/20933

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