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45 Minute Fire Rating
Each block comes with a white bond coating.
There are no holes for crafting in this block.
Visible Light Transmission: 71%
Shading Coefficient: .65
Sound Transmission S.T.C. (dB): 41
Solar Heat Gain Coefficient: .66-.68
Thermal Resistance R-Value: 1.89
Heat Transmission U-Value (BTU/hr ft2 F): .53
The 6x6x3 Arctic is perfect for those who love the smaller glass blocks but prefer a sleek, minimalist look. Featuring the distinctive Arctic pattern, these blocks allow you to create a stunning mini glass block wall.