Featuring a 60-minute fire rating, the Spray hollow glass block (8″x8″x4″) from Seves High Performance series provide maximum privacy with moderate light transmission. The Spray 8x8x4 60 Minute is also impact resistant.
- Specs
- Mortar Accessories
- Resources
- Actual Size: 7-3/4" x 7-3/4"x 3-7/8"
- Weight: 7.8
- Approx. Installed Weight with mortar per ft²: 22.7
- Pieces per Square Foot: 2.25
- Heat Transmission U-Value (BTU/hr ft2 °F): 0.51
- Thermal Resistance R-value (hr ft2 °F/BTU): 1.96
- Privacy: Maximum
- Fire Rating: 60
- Visible Light Transmission: 45
- Shading Coefficient: 0.65
- Sound Transmission S.T.C.(dB): 48
- Solar Heat Gain Coefficient: .66-.68⁵
