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Sill

The horizontal bottom part of a window or door frame, often providing support and drainage.

A sill is the horizontal bottom member of a window or door frame, providing support and stability. It is crucial for optimizing structural performance, enhancing durability, and supporting weatherproofing. By providing a reliable and effective support solution, sills support efficient construction, improve window and door performance, and contribute to successful project delivery by ensuring that openings are well-supported, aligned with design specifications, and capable of meeting performance criteria and client expectations.

Used in a sentence

The window sill was installed to ensure proper drainage and support.

Synonyms/variation
  • Window Base

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