General Shale's Endurance
RS4 stands for Real Strong, Real Safe, Real Sustainable, Real Smart to characterize General Shale’s oversized, energy-efficient construction material. Built to bear high loads and meet seismic requirements, Endurance eliminates the need for wood or steel framing. RS4 can be used in structures subjected to strong winds, tornadoes and earthquakes, and features thermal mass properties. The brick complies with the 2012 International Energy Conservation Code.