What is the purpose of gypsum board control joints?
Correct Answer
D) Relieve stresses from movement and limit cracking
Control joints accommodate movement and reduce stress concentration in the gypsum finish. They help limit cracking but cannot guarantee a crack-free assembly or replace structural bracing and fire/smoke components. Layout must suit the actual construction. Source: https://assemblies-tools.usg.com/content/usgcom/en/blog/negative-jobsite-effects-drywall-installation-finishing.html
Why This Is the Correct Answer
Control joints accommodate movement and reduce stress concentration in the gypsum finish. They help limit cracking but cannot guarantee a crack-free assembly or replace structural bracing and fire/smoke components. Layout must suit the actual construction. Source: https://assemblies-tools.usg.com/content/usgcom/en/blog/negative-jobsite-effects-drywall-installation-finishing.html
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