Window Frame Apr 2026

: The vertical sides that run between the head and the sill, often housing tracks for the sash.

A standard frame consists of four main parts that work together to seal and support the unit: : The top horizontal section of the frame. window frame

: The interior ledge at the base (where you might place a plant), which is often confused with the sill. : The vertical sides that run between the

: The bottom horizontal piece on the exterior , typically sloped to drain water away from the wall. window frame

: Small openings in the sill that allow trapped moisture to escape, preventing rot and water damage. Comparison of Frame Materials (2026 Trends)

Choosing a material impacts energy bills, maintenance, and durability.