1919/13 F120 Clarity
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The 1919/13 F120 Clarity pattern glass block by Seves Glass Block™ offers an absolutely clear view to the world outside. Perfect for homes and offices, it provides maximum light transmission while enhancing security. The Clarity 2-Hour Fire Rated glass block meets your needs for both transparency and fire safety.
Actual Sizes: 19cm x 19cm x 13cm
Weight: 11.25
Heat Transmission U-Value (BTU/hr ft2 °F): 0.28
Thermal Resistance R-value: 3.61
Fire Rating: 120
Visible Light Transmission: 69%
Shading Coefficient: 0.65
Sound Transmission S.T.C. (dB): 43
Solar Heat Gain Coefficient: .64
SGB-041 North American Design Guide 5.12.2022
ASTM E119 Summary SGB1042921-110S
SGB-046 1919/13 F-120 Data – Characteristics Sheet US-EU_12-23
N.A.M.I 1919/13 F-120 ASTM E119-20
FR-113-ASTM E-119 HEAD – 120 MIN WALL RATED FIRE GLASS BLOCK AT CMU-BOND BEAM
FR-114-ASTM E-119 HEAD – 120 MIN WALL RATED FIRE GLASS BLOCK AT METAL STUD WALL
FR-124-ASTM E-119 JAMB – 120 MIN WALL RATED FIRE GLASS BLOCK AT CMU
FR-125-ASTM E-119 JAMB – 120 MIN WALL RATED FIRE GLASS BLOCK AT METAL STUD WALL
FR-133-ASTM E-119 SILL – 120 MIN WALL RATED FIRE GLASS BLOCK AT CMU WALL
FR-134-ASTM E-119 SILL – 120 MIN WALL RATED FIRE GLASS BLOCK AT METAL STUD WALL
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