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Property Types & Construction

Stool

Definition and meaning of Stool in real estate.

Stool is the flat, shelf-like board of the interior window frame that rests horizontally across the lower part of the window opening.

In more detail

It is the interior piece of wood or stone where homeowners often place plants or decorative objects. While people commonly refer to this piece as the windowsill, the actual windowsill is the exterior or structural base of the window. The stool sits directly on top of the sill inside the home and is secured to the wall framing.

During home inspections, inspectors check the stool for water damage or rot, which often suggests a leaking window sash or seal.

Key facts

CategoryProperty Types & Construction
Common materialsWood, medium-density fiberboard, or stone
Key functionCovers the interior gap between the window frame and the wall
Watch out forWater damage and rot from window condensation
Example

During a home inspection, the inspector noticed soft wood on the kitchen window stool, indicating that rain had leaked through the closed window.

Frequently asked questions

What is the difference between a window stool and a window sill?

The sill is the exterior, sloped portion of the window frame designed to drain water away from the home, while the stool is the flat, shelf-like piece on the inside.

How is a window stool typically finished?

It is typically painted with a durable, moisture-resistant semi-gloss or high-gloss paint, or stained and sealed to protect the wood from condensation.

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