In a double-hung window, the upper and lower sashes both slide within the frame, offering controlled air circulation. Each sash can also be pivoted toward the interior for maintenance and cleaning.
In a double-hung window, the upper and lower sashes both slide within the frame, offering controlled air circulation. Each sash can also be pivoted toward the interior for maintenance and cleaning.
A sloped sill keeps water outside the frame and double-wrap foam compression weather stripping improves energy efficiency.
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