System Performance
Fire Ratings:
American Gypsum Type C Wallboard
- Flame Spread 15, Smoke Developed 0
- Tested in accordance with: ASTM-E84
N.C.F.R. Homasote Fiberboard
- Fire Spread Rating: Class A
- Tested in accordance with: ASTM-E84
Micore 300 Mineral Fiberboard
- Flame Spread Rating: Class A
- Tested in accordance with: ASTM-E84
Sound Control Ratings:
American Gypsum Type C Wallboard
- 1/2" & 5/8" Gypsum Board – 35-39 STC Rating
- 1/2" & 5/8" Gypsum Board with insulation – 45-49 STC Rating
N.C.F.R. Homasote Fiberboard
- Not yet rated
Micore 300 Mineral Fiberboard
- 1/2" Fiberboard – 25 STC Rating
- 5/8" Fiberboard – 26 STC Rating
- Not yet rated with insulation
Standard Ceiling Height
Standard ceiling height for the GL-350 system is 8'-12'. However, with the GL-350's unique stud extension system, we can meet any ceiling height in between.
Products Gallery
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