Typ R Gyp thicknesses are

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Multiple Choice

Typ R Gyp thicknesses are

Explanation:
Gypsum wallboard thickness is chosen to meet performance needs in typical residential construction. For standard interior walls, 1/2 inch is the default because it provides a good balance of weight, cost, and ease of finishing. When higher fire resistance or better rigidity is required, 5/8 inch is used, often as Type X for fire-rated assemblies or where extra sound isolation is desired. The thinner 3/8 inch isn’t common for everyday walls in homes, and 3/4 inch isn’t a standard gypsum board thickness for general interior walls. So the two most common residential thicknesses are 1/2 inch and 5/8 inch.

Gypsum wallboard thickness is chosen to meet performance needs in typical residential construction. For standard interior walls, 1/2 inch is the default because it provides a good balance of weight, cost, and ease of finishing. When higher fire resistance or better rigidity is required, 5/8 inch is used, often as Type X for fire-rated assemblies or where extra sound isolation is desired. The thinner 3/8 inch isn’t common for everyday walls in homes, and 3/4 inch isn’t a standard gypsum board thickness for general interior walls. So the two most common residential thicknesses are 1/2 inch and 5/8 inch.

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