Civil Engineering Surveying · Building Materials
In a double hung window, what is the purpose of the sill in the boxed or cased frame?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It acts as a pulley holder for sliding sashes.
- 2It separates the upper and lower sashes within the frame.
- 3It holds the counterweights used to balance the sash movement.
- 4It serves as the bottom horizontal member of the window frame, supporting the vertical components.✓
Correct answer
It serves as the bottom horizontal member of the window frame, supporting the vertical components.
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