Most Efficient Criteria For Windows And Sliding Glass Doors
Westeck News
FEBRUARY 3, 2023
A window is defined as an assembled unit consisting of a frame/sash component holding one or more pieces of glazing functioning to admit light and/or air into an enclosure and designed for a vertical installation in an external wall of a residential building. This definition also includes all transoms greater than 700 mm (27 in.)
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