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Stesso

Key Considerations for Sheathing Installation

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Learn about sheathing 💪 #build #carpentry #build #sheathing

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What happens here

After the floor framing (joists) is in place, sheathing is installed. The presenter highlights three critical factors for sheathing: 1) **Strength Axis**: The direction in which the panel has maximum strength, usually indicated by an arrow. 2) **'This Side Down'**: Many panels, especially OSB, are marked with a 'this side down' label. Installing OSB with the smooth side up (wrong side) on a roof can make it very slippery. This orientation also relates to the panel's strength. 3) **Thickness**: The appropriate thickness of the sheathing must be selected based on its application (floor, wall, or roof) to ensure adequate structural integrity.

Goal: Understand strength axis, orientation, and thickness for sheathing.

Tools and materials

  • OSB Sample — Illustrating sheathing types
  • Plywood Sample — Illustrating sheathing types
  • Pointer — Highlighting points on the whiteboard
  • Whiteboard — Listing and explaining key sheathing considerations

What they say

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inside. Then you install your sheathing. In older homes, they use slats and it was installed on a 45° angle, similar to this. More common now is OSB and plywood. Three things we need to pay attention to with sheathing, strength axis. That's the direction where it has the most strength. It'll say this side down. If you install OSB the wrong way, one side is smooth, so if you use it on your roof, you'll definitely be slipping. The side also has to do with the strength. You want to pay attention to your thickness. Depending on its application, you want to be sure that you're using the right thickness material. OSB is typically a cheaper

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