What thickness of gypsum wallboard is specified on each side of an acoustical partition?

Prepare for the NYSID Materials and Methods Exam 1. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What thickness of gypsum wallboard is specified on each side of an acoustical partition?

Explanation:
Mass is the key driver of sound isolation, so adding more gypsum board on both sides of a partition increases its ability to block noise. Five-eighths of an inch on each side is the standard choice because it bumps up the mass per area enough to noticeably improve sound transmission loss without making the wall overly thick or expensive. It also fits common fire-rating expectations for gypsum board. Using thinner material would reduce isolation, while thicker material tends to add cost with diminishing returns in typical acoustical partitions.

Mass is the key driver of sound isolation, so adding more gypsum board on both sides of a partition increases its ability to block noise. Five-eighths of an inch on each side is the standard choice because it bumps up the mass per area enough to noticeably improve sound transmission loss without making the wall overly thick or expensive. It also fits common fire-rating expectations for gypsum board. Using thinner material would reduce isolation, while thicker material tends to add cost with diminishing returns in typical acoustical partitions.

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