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Roof Sheathing Installation and H-Clips

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2:13
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Learn about sheathing 💪 #build #carpentry #build #sheathing

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What happens here

For roof sheathing, always install the plywood horizontally across the rafters. While 7/16 inch sheathing can be used in some cases, it's generally better to use 1/2 inch or thicker for increased durability and span capabilities. The presenter shows an APA (Engineered Wood Association) stamp on a plywood panel, explaining that numbers like '48/24' indicate the maximum roof span (48 inches on center) and floor span (24 inches on center) when installed horizontally. When sheathing is installed on a roof, H-clips must be used between adjacent panels in the rafter bays. These H-clips help maintain proper spacing between panels, provide support to the unsupported edges of the sheathing, and reduce deflection.

Goal: Correctly install roof sheathing with appropriate thickness and H-clips.

Tools and materials

  • H-Clip — Demonstrating its use for roof sheathing
  • Model Roof Frame DIY — Demonstrating roof sheathing installation
  • Plywood Sample — Illustrating roof sheathing thickness
  • Plywood Sample with APA Stamp — Explaining span ratings

What they say

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other situations. When you install your roof, always installing your plywood horizontally. This plywood in some cases can be 7/16, but it's always better to go with 1/2 inch or bigger. These two numbers show how far you can span. When you're horizontal like this, you can do 48 on center. When people say 3/4, it's often that they mean 23/32. When you install your sheathing on your roof, you need to make sure that you're using H clips. These H clips go in the rafter bay. This helps hold the other sheet for spacing and helps with deflection. Keep in mind in between your

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