Depending on the pattern, light transmission of clear Lara® Glass Block is approximately 75 % and light transmission of tinted Lara® Glass Block is approximately 66%. (ISO DIS 7884/b).
Heat Insulation
U value (Thermal conductivity) of Lara® Glass Block walls bonded with cement mortar is 2,8 W/m²K which is the same as the U value of an ordinary insulating glass unit with 12 mm air filled cavity.
Sound Insulation
Sound insulation of Lara®Glass Block walls is approximately 38-40dB. (DIN 52210)
