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How Do You Secure a Floor Joist?

Maya Lin-Takahashi • • 3 min read
How Do You Secure a Floor Joist?
★ Key Takeaways

Use a Sledgehammer or a Pry Bar to Force the Bottom of the New Joist Along the Mudsill and Center Support Beam of the Floor System (Or the Opposite Mudsill on Short Spans) Until It’s Flat Against the Existing Joist. Nail the New Joist to the Existing Joist with Two Rows of 10D to 16D Nails Spaced 6 In. on Center.

Read a complete overview on How Do You Secure a Floor Joist.

Direct Answer • Key Takeaway

Use a Sledgehammer or a Pry Bar to Force the Bottom of the New Joist Along the Mudsill and Center Support Beam of the Floor System (Or the Opposite Mudsill on Short Spans) Until It’s Flat Against the Existing Joist. Nail the New Joist to the Existing Joist with Two Rows of 10D to 16D Nails Spaced 6 In. on Center.

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Maya Lin-Takahashi
Author

Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.