An OSB 32/16 deck can be used for roof trusses spaced up to what on center?

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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

An OSB 32/16 deck can be used for roof trusses spaced up to what on center?

Explanation:
The key idea is that OSB deck acts as roof sheathing, tying the roof framing together and creating a solid surface for the roofing material. Because it’s designed to span the gaps between roof supports, it’s used on top of roof rafters (or trusses) and is rated for the spacing those members impose. That’s why the correct context is roof rafters—the OSB deck is intended to be installed as roof sheathing, not primarily as the base for wall studs, ceiling joists, or floor joists.

The key idea is that OSB deck acts as roof sheathing, tying the roof framing together and creating a solid surface for the roofing material. Because it’s designed to span the gaps between roof supports, it’s used on top of roof rafters (or trusses) and is rated for the spacing those members impose. That’s why the correct context is roof rafters—the OSB deck is intended to be installed as roof sheathing, not primarily as the base for wall studs, ceiling joists, or floor joists.

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