Transcription of COMPARISONS - VitroGlazings.com
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COMPARISONS for One-Inch Insulating Glass Units Insulating Glass Unit Performance COMPARISONS 1-inch (25 mm) units with 1/2-inch (13 mm) airspace and two 1/4-inch (6 mm) litesGlass TypeOutdoor Lite: Indoor Lite: Coating if Any + Coating if Any(Surface) Glass (Surface) GlassVisible Light Transmittance(VLT)2 %Visible Light Reflectance2(Btu/hr ft2 F) NFRC U-Value3 solar Heat Gain Coeffi cient (SHGC)4 Light-to- solar Gain (LSG)5 Exterior %Interior %WinterNighttimeWinter ArgonUncoatedCLEAR Glass + Clear + ACUITY + STARPHIRE + Clear + Clear + Clear + + + Clear + Clear + Clear II + Clear 400 Low-E GlassSUNGATE 400 (2) Clear + 400 (2) STARPHIRE + + SUNGATE 400 (3) Clear + SUNGATE 400 (3) + SUNGATE 400 (3) Clear + SUNGATE 400 (3) Clear + SUNGATE 400 (3) Clear + SUNGATE 400 (3) + SUNGATE 400 (3) Clear + SUNGATE 400 (3) Clear + SUNGATE 400 (3) Clear II + SUNGATE 400 (3) Clear 60 solar Control Low-E GlassSOLARBAN 60 (2)
Visible Light Reflectance 2 (Btu/hr•ft2•˚F) NFRC U-Value 3 Solar Heat Gain Coefi f ent i c (SHGC)4 Light-to-Solar Gain (LSG)5 Exterior % Interior % Winter Nighttime Winter Argon SOLARBAN® 67 Solar Control Low-E Glass (Continued) SOLARBAN 67 (2) OPTIGRAY + Clear 38 12 15 0.29 0.24 0.24 1.58 SOLARBAN 67 (2) SOLARGRAY + Clear 27 8 15 0.29 0 ...
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