36 x 42 Double Pane Window
Get the whole picture with this beautiful 36 x 42 double pane window including designing, installation and maintenance A double-hung window is a window that has two sash dividing it into two panes of glass. The term "double-hung" refers to the fact that each sash is hinged at both the top and bottom and swings upward or downward in response to heat expansion or contraction. Double-hung windows were originally called "Dutch" windows because they were popular in Holland during the late 17th cent
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