Door headers play a crucial role in the structural integrity of a building, particularly in non load bearing walls. Understanding their function and proper installation is essential for ensuring the safety and durability of any structure.
A door header is a horizontal structural member that spans the opening created by a door or window in a wall. It supports the weight of the wall above the opening, preventing it from collapsing. In non load bearing walls, which do not carry any significant structural load, the door header's primary purpose is to provide support for the wall section above the opening.
Choosing the Right Header Material:
- Lumber: Wood headers are a cost-effective and commonly used option for non load bearing wall headers.
- Steel: Steel headers offer superior strength and durability, but they are more expensive than lumber.
- Engineered Wood: Engineered wood headers are a combination of wood and adhesives, providing strength and resistance to warping.
Sizing the Header:
- The size of the header will depend on the width of the opening and the weight of the wall above.
- A general rule of thumb is to use a header that is at least 2 inches wider than the opening on each side.
Installing the Header:
- Proper installation is crucial to ensure the header's structural integrity.
- The header should be securely attached to the wall framing and supported by vertical supports, known as cripples, on either side.
Header Material | Pros | Cons |
---|---|---|
Lumber | Cost-effective, easy to work with | Limited strength, prone to warping |
Steel | Strong, durable | More expensive, heavier |
Engineered Wood | Strong, warp-resistant | More expensive than lumber |
Header Sizing | Opening Width (inches) | Header Width (inches) |
---|---|---|
36 | 38 | 40 |
48 | 50 | 52 |
60 | 62 | 64 |
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