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Fire Rated System Design - GA-FC-5120

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GA-FC-5120

Wood Dimensional Lumber

Fire Rating

hour

Restrained‐1 hour


STC / Sound Test

50-54

System Thickness

N/A

Fire Rating

Unrestrained‐1 hour

STC

50-54

System Thickness

N/A

Floor Substrate - 3/8 in. (9 mm) particle board
Subfloor - 5/8 in. (16 mm) plywood underlayment
Structural Members - Nom. 2 in. (51 mm) by 10 in. (254 mm) 16 in. (406 mm) OC
Batts and Blankets - 3-1/2 in. (89 mm) fiberglass insulation
Ceiling Support - Furring channels spaced 24 in. (609 mm) OC
  • Floor Underlayment (optional) - Min. 3/4 in. (19 mm) thick, min. compressive strength 1800 psi
  • Floor Substrate - 3/8 in. (9 mm) particle board
  • Subfloor - 5/8 in. (16 mm) plywood underlayment
  • Structural Members - Nom. 2 in. (51 mm) by 10 in. (254 mm) 16 in. (406 mm) OC
  • Batts and Blankets - 3-1/2 in. (89 mm) fiberglass insulation
  • Ceiling Support - Furring channels spaced 24 in. (609 mm) OC
  • Finished Ceiling - 1/2 in. (12 mm) thick gypsum board
Remarks
  • Stud size is minimum unless otherwise stated in design.