The Clarity 8x8x4 Thickset 90 (.19 U-Value) Energy glass block is an excellent choice for projects requiring exceptional clarity and energy efficiency. With a solar heat gain coefficient (SHGC) of just 0.27, it limits unwanted heat from the sun while still allowing abundant natural light to pass through. Combined with its impressive .19 U-Value, this block offers a high energy rating that helps reduce heating and cooling costs year-round.
- Specs
- Mortar Accessories
- Resources
- Heat Transmission U-Value (BTU/hr ft2 °F): -0.81
- Thermal Resistance R-value (hr ft2 °F/BTU): 5.26
- Privacy: Minimal
- Visible Light Transmission: 60
- Sound Transmission S.T.C.(dB): 39
- Solar Heat Gain Coefficient: .27
