Design feature - A window sill can act as a permanent shelf.
Window seil windows#
Protection against the elements - Besides keeping water and wind at bay, window sills also prevent mold from forming on your windows and in your walls.
Tightly sealed windows mean less electricity for heating and cooling, saving you money on your electricity bill.
Energy-saving feature - Window sills protect interior rooms from drafts by creating an airtight seal. It also holds the window sash in place when the window is closed. Structural support - As mentioned above, the window sill acts as a support structure for the rest of the window. Interior window sills will have a trim surrounding the window, and most people will use this sill to store or display items:Ī basic UPVC plastic window sill Why Should Window Sills Be Angled?Īlright, so the purpose of a window sill is to direct water away from interior spaces, but why should it be angled? When trying to classify window sills, you’ll find that there are generally two categories of window sills: interior and exterior.Īs the name states, interior window sills are found inside the home, and exterior ones are located outside the home. Water may seep into the walls without the window sill, causing lasting structural damage.Įven the simplest of features like a sill can save you from having to fix compromised structural integrity. A barrier between the outside and inside - The downward slope of the window sill allows snow and water to fall off as quickly as it lands. Without the window sill, the frame would be far more susceptible to shifting in the wall, causing damage to the window and the exterior walls. It’s part of the window structure - The sill shapes the base of the window, providing both structure and support. The window sill is an underrated architectural feature. 8.1 Conclusion What Is The Purpose Of A Window Sill?
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