... m ,3.0 kg/m ,2.54 kg/m ,4.5 kg/m ,3.7 kg/m ,etc.Custom madeSize140x25mm ... ,effectively prevent the decay and damage3.Advocating environmental protection,back to nature4.Creating beautiful and comfortable land5.Anti-corrosion, ... building materials. Name of building materialcoefficient of thermal conductivity(λ) [W/(m2•K)]perforated brick0.46Glass0.81Iron58.2Steel110.5Aluminium203.5Atmosphere0.046Rigid ...