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              FBH
                GLASS COMMENTARY FBH
                is a fire resistant,
                blast resistant, bullet resistant, physical attack resistant*
                and  windborne debris resistant glass. Product thickness ranges
                from 1/2" through 2 1/2". FBH has been certified compliant by
                the Department of the Army, Wilfred Baker Engineering, Underwriter
                Laboratories and HP White Labs. *Existing
              frames may also be treated by SIG to be fire resistant, blast resistant,
              physical attack resistant and windborne debris resistant.  FBH
              FIRE RESISTANT INTRODUCTION November 22, 2000 Underwriters
              Laboratories in Northbrook, Illinios conducted a one hour fire endurance
              and hose stream test on FBH Glass.  SCOPE
              OF TESTINGFire Test of window assemblies-UL9:
 Test assembly (52"x101") consisting of 1/8" aluminum, steel and
              9/16" thick FBH glass.
 Fire
              endurance test: (1 hour duration to 1700° Fahrenheit).
              A standard time temperature curve for control of test was utilized.
              Thermo couplers and radiometers measured test heat exposure.
               Hose
              stream test: Immediately following the fire endurance
              test the fire exposed side of the assembly was subjected to the
              impact, erosion, and cooling effects of the hose stream. The hose
              stream was delivered through a 2 1/2" hose discharging through a
              national standard clay pipe of corresponding size equipped with
              a 1 1/8" discharge tip of the standard taper smooth bore pattern.
              The distance from the test assembly was twenty feet.  CONCLUSION
              The
              FBH assembly is certified as compliant by Underwriter Laboratories.
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