Multi-Laminated And Fully Insulated 60 or 90 Minute Glass with Multiple Panes of Tempered Safety Glass Separated by Intumescent Interlayers Protecting Against Fire, Smoke, Radiant & Conducted Heat.

 
Thickness:
   CONTRA60: 15/16” (24mm)
   CONTRA90: 1-7/16” (36mm)

Weight:
   CONTRA60: 10.3 lbs. per sq. ft
   CONTRA90: 13.7 lbs. per sq ft

Light Transmission: 80-82%

STC Rating: 
   CONTRA 60: 40
   CONTRA 90: 45

Warranty: Five year limited warranty

Fabricated: USA

Radiant Heat Barrier: Clear, colorless, intumescent interlayers absorb the energy from the fire, limiting the temperature rise to the non-fire side.

Minimum Size:  12” Diagonal 

Air Louvers Frames for CONTRA60:VLFIG, VLFEZIG, VSIG, VLFS10.

Air Louvers Frames for CONTRA 90: VLFIG, VLFS10

Fire rating listed and tested: by ITS/Warnock Hersey or Underwriters Laboratories (US:KCMZ.R14515, CAN:KCMZ7.R14515|
Tested in accordance with:  ASTM E119, NFPA 80, NFPA 251, NFPA 252, NFPA 257, UL 263.
Contra 60 Listed: for up to 1 Hour With Hose Stream. 
Contra 90 Listed: for up to 1-1/2 Hour With Hose Stream.                                  
Impact Safety Rating: CPSC 16CFR 1201 (CAT I & II)
Positive Pressure Rating: UL10C