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Expansion Joint: Revision history

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5 January 2026

  • curprev 13:5913:59, 5 January 2026 Jlebeau81 talk contribs 1,339 bytes +1,339 Created page with "A drywall expansion joint (or control joint) is a deliberate gap or flexible connector placed in long drywall runs or large surfaces to prevent cracking from building movement, thermal expansion/contraction, and structural shifts, allowing the drywall to expand and contract without failing, often appearing as a decorative groove or bead with a flexible center. These joints are crucial in large areas like hallways or garages and are installed using specialized vinyl, meta..."
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