Fine Fissured Ceilings

Fine Fissured concealed  tile, square lay - in and tegular lay - in ceilings combine the versatility of the full range of ColorReady stock colors with multiple edge and grid choices, HumiGuard™ Plus
performance and Fire Guard options in a economical acoustical lay - in panel or concealed tile.


Key Selection Attributes

  • Fine Fissured surface 

  • Humidity resistance HumiGuard™ Plus performance

  • 10-year limited warranty,  15-year with Armstrong hot dipped galvanized grid

  • BioBlock™ paint on face and back inhibits mold and mildrew 

  • Certified acoustical performance,  with UL Classification

PHYSICAL  DATA
Material Wet - Formed Mineral Fiber
Surface Finish Factory applied Vinyl Latex Paint
Color White
Light Reflectance Actual LR 0.84
Sizes 24" x 24" x 5/8"  
24" x 48" x 5/8"  
Weight 0.50 lbs/SF (3511 & 3510)
0.60 lbs/SF (1730 & 3570)
Edge Detail Square Lay - in
Recommended Armstrong Suspension System Prelude® 15/16" Exposed Tee grid systems
NRC 0.55
CAC Minimum 35 (1730-3570),  Minimum 33 (3511-3510)
Surface Burning Characteristics Class A: Flame Spread 25 or under UL Labeled
Fire Resistance Rating HumiGuard Plus - appropriate for high humidity interior applications up to standing water.  
Insulation Value Average R Factor - (at 750F, 240C) is 1.5 (BTU Units) 
ASTM E 1264 Classification Type III,  Form 2
 


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