Em-Dome modular rooflights

Glazing specification

Single clearSingle opalSingle HeatReflectDouble ClearDouble OpalDouble HeatReflect
Light transmission (LT%)88%58%56%77%51%49%
Solar heat gain factor (g%)83%60%46%69%50%38%
Sound reduction (dB)121212202020
Thermal transmission (W/m2K)5.365.365.362.682.682.68

Triple clearTriple OpalTriple HeatReflectEco 10Eco 10 HeatReflectEco 16Eco 16 HeatReflect
Light transmission (LT%)70%45%43%35%18%31%16%
Solar heat gain factor (g%)60%43%32%32%21%30%19%
Sound reduction (dB)22222221212222
Thermal transmission (W/m2K)1.78*1.78*1.78*1.231.231.031.03

* Measured in hot box in the vertical BS EN ISO 12567-2: 2005