GLASS TYPES:

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Smart Glass 60 - Omega II Window and Door Glass  SmartGlass 60  is an optional high performance double pane glass (replacing our old Smart Glass) for use in vertical glazing areas, such as windows, doors, kickpanels and transoms.  It provides your clients with 60% less solar heat gain per s.f./hr than clear double pane glass, and 28% lower transmission of damaging and harmful UV radiation than our former high performance “Smart Glass”.  The solar shading performance of this glass is so remarkable that your clients can actually pull a chair up next to a south-facing window, and sit down and read a book without experiencing that “radiator effect” that one normally feels sitting next to a sunlit window.  60% Less Heat Gain vs. Clear Double Pane    38% Less Heat Gain vs. Bronze Double Pane (or Low-e double pane) 50% Less UV Transmission vs. Clear Double Pane 33% Less UV Transmission vs. Bronze Double Pane (or Low-e double pane)

Glass Type IGU Unit U-Value R-ValueUV Tvis Rvis Tsol ShadingRHG SCGC Single Pane Clear 1.0 1.074% 90% 9% 83% 0.98210 0.85 Single Pane Bronze 1.0 1.044% 68% 7% 65% 0.84182 0.73 Single Pane SmartGlass 30 1.0 1.052% 83% 8% 60% 0.81175 0.70   Double Pane Clear 0.5 2.061% 81% 15% 69% 0.87181 0.75 Double Pane Bronze 0.5 2.038% 61% 11% 54% 0.72151 0.62 Double Pane Low-e 0.31 3.2043% 78% 12% 52% 0.66137 0.58 Double Pane SmartGlass 40 0.45 2.2045% 75% 14% 52% 0.69144 0.59   High Performance SmartGlass 60 HP Vertical Glass .025 4.031% 70% 12% 34% 0.4389 0.37   High Performance SmartGlass 90 HP Roof Glass .025 4.017% 35% 14% 15% 0.2860 0.24

DEFINITIONS:

U-Values       Radiant (non solar) Heat Transfer thru Glass measured in BTU per Sq Ft per Hour X Delta T
UV                % Transmission of Radiation thru Glass Unit
Tvis               % Transmission of Visible Light
Rvis               % Reflectance of Visible Light
Tsol               % Transmission of Total Solar Energy
Shading         Shading Coefficient an Index of Solar Heat Gain Rejection ( Lower Numbers are Better)
RHG              Relative Heat Gain. The Actual Solar Heat Transmission Thru Glass
SHGC            Similar to Shading - (Lower Numbers are Better)

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