Precast concrete sandwich panels are particularly suited to special requirements for energy conservation and security.
Cast with a core of high-performance insulation sandwiched between two layers of reinforced concrete, the layers of concrete are securely connected by special composite fibre ties (e.g. Thermomass system) that are set through drillings in the thickness of insulation to form a single panel.
The outer layer of concrete may have a reconstructed stone or an exposed aggregate finish or may otherwise be faced with natural stone, brick or tiles. The thickness of the core of insulation can be varied to suit project-specific requirements for overall thermal resistance. However, it’s the inner layer of concrete that is particularly valuable for energy conservation, due to its inherent thermal mass, and for security, due to its inherent density and robustness.