Novabrik’s mortarless brick technology features high-strength concrete bricks that overlap and interlock to create a strong, water-resistant brick veneer. A rainscreen, it prevents water from penetrating the wall from the outside, and the mortarless construction promotes airflow in the 3/4-inch wall cavity to remove any moisture coming from the inside and helps to prevent mold decay. It is available in a split or smooth surface and in nine colors, and measures 4 inches by 8 inches in size.; 866.678.2745.