What Are Hangers in Construction: Joists Explained

June 12, 2024

Joist hangers are indispensable tools in residential construction, crucial for securing and supporting wooden beams and joists. These small hardware components play an essential role in creating strong connections above ceilings, beneath floors, and on deck platforms.

"Blister Hanger under construction 03" by anyjazz65 is licensed under CC BY-NC 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc/2.0/.

Purpose of Joist Hangers

Joist hangers are designed to tightly secure joists, preventing them from warping and twisting over time. By restricting movement and deformation, they ensure the stability and longevity of the structures they support.

Installation Process

Installing joist hangers is a straightforward and cost-effective process. They are typically installed over the sides and edges of beams using galvanized screws and nails. In some cases, they may also be welded for enhanced versatility.

Follow these steps for installation:

  • Align the top plane of the joist with the rim joist.
  • Position the hanger snugly under the joist and temporarily secure it by hammering the prongs into the rim joist.
  • Fasten the rim side first using galvanized nails or screws through all pre-drilled holes.
  • Ensure all holes on both sides of the hanger are filled with nails for a secure fit.

Using the correct fasteners and following these steps helps maintain the integrity of the structural connection.

Weight and Size Considerations

Joist hangers come in various sizes to accommodate different weight capacities:

  • 2 x 12 joist hangers: Minimum 850-pound vertical bearing capacity
  • 2 x 10 joist hanger: Minimum 605-pound capacity
  • 2 x 8 joist hangers: Minimum 540-pound capacity
  • 2 x 6 joist hangers: Minimum 305-pound capacity

"Blister Hanger under construction 02" by anyjazz65 is licensed under CC BY-NC 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc/2.0/.

Types and Connections of Joist Hangers

Material Types

  • Timber-to-timber: Used for connecting wooden joists to wood beams
  • Timber-to-masonry: Connects masonry walls to wooden joists, eliminating the need for drilling extra support holes in masonry walls

Timber-to-Timber Joist Hangers

These hangers provide a fast and efficient method for connecting wooden joists to boards and beams. They require minimal drilling, making the installation process easier and quicker.

Timber-to-Masonry Joist Hangers

Timber-to-masonry hangers are designed to securely connect masonry walls to wooden joists. They help streamline construction processes by eliminating the need for additional support holes in masonry walls.

Joist hangers are crucial components for creating reliable and durable connections in floors, ceilings, decks, and various other structural applications. When planning your next construction project, consider high-quality joist hangers from reputable suppliers. For an extensive range of tools, materials, and accessories, explore options such as the Simpson Strong-Tie rafter hanger with Zmax finish available at FactoryDirectSupplyOnline.com.

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