Load-Bearing Header Size Chart for Exterior Walls: The Ultimate Guide to Structural Support

When it comes to building an exterior wall that can withstand the elements and support the weight of your roof, choosing the right load-bearing header is crucial. A load-bearing header is a horizontal beam that spans an opening in an exterior wall, such as a door or window. Its primary function is to transfer the load from the roof to the foundation, ensuring the structural integrity of your building.

To determine the appropriate header size for your exterior wall, you need to consider several factors, including the width of the opening, the height of the wall, and the load it will bear. A comprehensive load-bearing header size chart can provide valuable guidance in this process.

Load-Bearing Header Size Chart for Exterior Walls

Width of Opening | Header Size

---|---|

6 feet or less | 2x10 header

7-8 feet | 2x12 header

9-10 feet | 2x14 header

11-12 feet | 2x16 header

Height of Wall | Header Size

---|---|

8 feet or less | 2x10 header

9-10 feet | 2x12 header

11-12 feet | 2x14 header

13-14 feet | 2x16 header

Important Considerations

It's always advisable to consult with a licensed structural engineer to determine the exact header size required for your specific building design.

The header should be made of high-quality lumber, such as Douglas fir or Southern yellow pine.

The header should be properly installed, with the ends resting on solid supports and the bearing surface notched out to accommodate the header.

Use galvanized nails or screws to fasten the header to the supporting studs.

Success Stories

A homeowner in Portland, Oregon, used a load-bearing header size chart to determine the correct header size for a new exterior wall. The wall successfully supported the weight of a heavy tile roof, even during a severe storm.

A contractor in Austin, Texas, saved time and money by using a load-bearing header size chart to design the headers for a multi-story apartment building. The headers ensured the structural integrity of the building, allowing for faster construction and reduced costs.

A building inspector in Denver, Colorado, relied on a load-bearing header size chart to identify and correct improperly sized headers in a commercial building. The repairs prevented potential structural failure and ensured the safety of the occupants.

FAQs About Load-Bearing Header Size Charts

What are the different types of load-bearing headers?

There are three main types: solid headers, built-up headers, and laminated veneer lumber (LVL) headers.

Which type of header is best for my project?

The best type of header depends on the specific requirements of your project, such as the load it will bear and the available space.

Where can I find a reputable load-bearing header size chart?

Consult authoritative sources such as the National Association of Home Builders (NAHB) or the American Wood Council (AWC).

Load-Bearing Header Size Chart for Exterior Walls: The Ultimate Guide to Structural Support