Brick->Isolation->28′ GT-ECO28/20 28′ Eco Brick Dimensions (cm): 20x28x30 Weight (kg/piece): 14.00 Wall thicknes 28cm:Consumption (unit/m2) : 15 1m2 weight (kg) : 210 Consumption (unit/m3) : 60 1m3 weight (kg) : 840