Thickness (micron) Light  transmission (%) Diffuse light (%) Thermicity  (%) Type
Celloclim 215 >82 <70 >84 Mico- bubbles thermal
Polyane 4D 200 >88 <50 >83 Thermal  spreading
Polyane 4TT 200 >90 <20 >84 Thermal colorless
Table 1: Main characteristics of covering materials.