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Code Eval Report - Type C Drywall

S

Self-Certification

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Nov 30, 2020
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Location
Phoenix, AZ
Designer submitting drawings for duplex (side-by-side) with unused attic space/draftstop & continuous 3-point trusses spanning across the fire-rated wall. Specifies design of ceiling to be per R302.3, Exception 2. However, they are calling for 1/2" Type C drywall in lieu of the 5/8" Type X specified in that exception. Thinking of asking them to submit a code eval report to show 1/2" Type C is at least equivalent to 5/8" Type X ... but is there such a report?? I can't seem to find one.
 

type "C" sheetrock

I think I asked the question before but Type C sheetrock in place of Type X, do you see it much?? pros /// cons??? SHEETROCK FIRECODE C Core gypsum panels provide improved fire protection over standard FIRECODE panels due to additives that enhance the integrity of the core under fire...
www.thebuildingcodeforum.com
 
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