How is a Bay Window Roof Supported?

A bay window roof is structurally supported primarily by posts located at each corner of the bay extension.

Structural support for the construction directly above a window is provided by a **lintel** (or beam) that spans across the opening from side to side. This lintel is designed to bear the weight of the wall or structure above the window.

In the specific case of a bay window, which projects outwards from the main wall, the support system is adapted. The provided information highlights that for a bay window, **posts at each corner of the bay carry the load of the lintel**.

Here's a breakdown of the key components and their roles:

*   **Lintel:** A horizontal beam positioned directly above the window opening. It bears the weight of the wall and any structures above it, distributing this load away from the window itself.
*   **Corner Posts:** These are vertical supports situated at the outer corners where the bay window angles back towards the main house wall. These posts receive the load transferred by the lintel above the bay window's outer edge and transfer it downwards to the foundation.

Think of it like this: The lintel forms the top frame of the bay window structure. Instead of resting solely on the main house walls, its load, particularly the load of the outward-projecting section, is significantly supported by the dedicated posts at the bay's corners. This system ensures the weight of the structure above the bay window, including the roof, is safely channeled down to the building's foundation.

Here's a simple representation:

| Component       | Primary Function                     |
| :-------------- | :----------------------------------- |
| **Lintel**      | Spans opening, supports load above   |
| **Corner Posts** | Support the lintel, transfer load downwards (Crucial for Bay Windows) |

This method provides the necessary strength and stability for the bay window structure and its roof, preventing sagging or damage over time.