Load Bearing Header Size Chart: The Ultimate Guide to Exterior Wall Support

Introduction

Exterior walls play a crucial role in the structural integrity of any building. Load bearing headers are essential components that support the weight of the wall and any loads above it, ensuring the stability of your structure. Understanding the correct load bearing header size chart exterior wall is paramount for any construction project.

Effective Strategies

Consult Building Codes: Adhere to local building codes and engineering standards to determine the appropriate header size for your specific project.

Consider Wall Load: Calculate the total weight of the wall, including cladding, insulation, and any other materials. This will determine the minimum header size required.

Span Distance: The span distance, or the distance between supporting walls or columns, affects the header size. Longer spans require larger headers.

Tips and Tricks

Use Engineered Headers: For complex or high-load applications, consider using engineered headers specifically designed to handle the load.

Install Properly: Ensure headers are installed level and plumb, with the appropriate spacing and connections.

Protect from Moisture: Protect headers from moisture damage by using weather-resistant materials and sealants.

Common Mistakes to Avoid

Undersizing Headers: Installing headers that are too small can lead to structural failure and safety hazards.

Oversizing Headers: Unnecessarily large headers can waste materials and increase costs.

Improper Installation: Mistakes in installation can compromise the structural integrity of the wall.

Basic Concepts

Load Bearing Header: A structural member that supports the weight of a wall or other load above it.

Span Distance: The distance between supporting walls or columns.

Header Height: The vertical dimension of the header.

Header Width: The horizontal dimension of the header.

Header Depth: The thickness of the header.

FAQs

Q: How do I determine the required header size?

A: Consult building codes, consider wall load, and calculate the span distance.

Q: What type of material should I use for headers?

A: Common materials include wood, steel, and composite materials.

Q: Can I install headers myself?

A: It is recommended to hire a qualified contractor for professional installation.

Success Stories

A homeowner in a hurricane-prone area upgraded their load bearing headers to meet code requirements, ensuring the safety of their home during a severe storm.

A builder used engineered headers to create a large opening in a load-bearing wall, allowing for a spacious and well-lit room.

A historic building was renovated using custom-designed headers to preserve its structural integrity while updating the interior design.

Load Bearing Header Size Chart for Exterior Walls

Span Distance (feet)	Header Height (inches)	Header Width (inches)	Header Depth (inches)
6	2	4	5
8	3	6	6
10	4	8	8

Load Bearing Header Size Chart for Heavy Wall Loads

Wall Load (pounds per foot)	Header Height (inches)	Header Width (inches)	Header Depth (inches)
200	4	8	10
400	6	12	12
600	8	16	14

Load Bearing Header Size Chart: The Ultimate Guide to Exterior Wall Support