Nubio 8x8x4 Thickset 90 (.19 U-Value) Energy

The Nubio 8x8x4 Thickset 90 (.19 U-Value) Energy glass block is an excellent choice for homeowners and designers seeking both energy efficiency and timeless design. With a solar heat gain coefficient (SHGC) of just 0.27, it provides superior solar control—minimizing heat gain while still allowing abundant natural light. Combined with its .19 U-Value, this premium block offers high performance and helps reduce energy costs year-round.

Series/Line : Energy Block, Nubio, High Performance

  • Actual Size: 7 3/4 x 7 3/4 x 3 7/8
  • Weight: 7.10
  • Heat Transmission U-Value (BTU/hr ft2 °F): .19
  • Thermal Resistance R-value (hr ft2 °F/BTU): 5.26
  • Privacy: Moderate
  • Visible Light Transmission: 59
  • Sound Transmission S.T.C.(dB): 39
  • Solar Heat Gain Coefficient: .27