For roof trusses spaced up to 32 inches on center, the 15/32 OSB rated 32/16 is adequate for decking the roof trusses if the spacing is up to how many inches?

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Prepare for the Glencoe Carpentry Exam. Practice with flashcards and multiple-choice questions, each offering hints and explanations. Equip yourself for success on your test day!

Multiple Choice

For roof trusses spaced up to 32 inches on center, the 15/32 OSB rated 32/16 is adequate for decking the roof trusses if the spacing is up to how many inches?

Explanation:
The main idea here is understanding how the panel’s span rating guides decking choices. A 15/32" OSB rated 32/16 has a span rating that shows it’s approved to be used on roof decking with framing spaced up to 32 inches on center. So, when trusses are spaced at 32" OC, this OSB thickness meets the testing standards for that spacing and can adequately deck the roof. If the spacing were to go beyond 32"—say 40"—the panel would no longer be within its tested and approved limits, and you’d need a thicker panel or closer framing.

The main idea here is understanding how the panel’s span rating guides decking choices. A 15/32" OSB rated 32/16 has a span rating that shows it’s approved to be used on roof decking with framing spaced up to 32 inches on center. So, when trusses are spaced at 32" OC, this OSB thickness meets the testing standards for that spacing and can adequately deck the roof. If the spacing were to go beyond 32"—say 40"—the panel would no longer be within its tested and approved limits, and you’d need a thicker panel or closer framing.

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