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Fire Rated System Design - UL D218

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UL D218

Concrete

Fire Rating

hour

Restrained‐3 hour


Restrained‐3 hour


STC / Sound Test

N/A

System Thickness

N/A

Fire Rating

Restrained‐3 hour

Unrestrained‐3 hour

System Thickness

N/A

Floor Substrate - Min. 3 1/4 in. thick concrete
Steel Deck - Min. 1-1/2 in. (38 mm) deep 22 ga. steel deck
Structural Members - Steel beam min. W8x15
Finished Ceiling - Acoustical ceiling tiles (Type PSS, PSR, PSSP, PSRP)
  • Floor Substrate - Min. 3 1/4 in. thick concrete
  • Steel Deck - Min. 1-1/2 in. (38 mm) deep 22 ga. steel deck
  • Structural Members - Steel beam min. W8x15
  • Ceiling Support - Suspension system
  • Finished Ceiling - Acoustical ceiling tiles (Type PSS, PSR, PSSP, PSRP)
    • Panel Dimensions nom. in. - 24 in. by 48 in. by 3/4 in. [609 x 1219 x 19] (Optional metal pans to be used with acoustical ceiling)
Remarks
  • Stud size is minimum unless otherwise stated in design.
  • For the most up-to-date information refer to the UL Fire resistance directory D218 ·