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What is the recommended fastener spacing for attaching gypsum panels to walls and ceilings in non-fire-rated assemblies?
When nailing to wood construction the spacing is 7 inches for ceilings, and 8 inches for walls. When screwing into wood and steel framing the spacing is 12 inches on ceilings and 16 inches for walls. Refer to the relevant fire test to determine fastener type and spacing.