Next week, a new SKY store will open on the outskirts of Riga. The architects of the AR4 company have chosen a quality product from Germany - the LAMILUX smoke exhaust system and hatches. 8 hatches dimensions 1.5m x 2.5m. Each smoke exhaust hatch has an aerodynamic area of 2.74 square meters (EN12101-2) and a heat loss coefficient of 0.94 W/(m2K) (EN-1873). Will open in 45 seconds!!!