This versatile barrier mesh is available in standard 4 ft. x 8 ft. sheets, and they can be applied without sheathing to enhance security for walls, ceilings, and floors. In addition to providing high-strength and fire-resistant protection, Barrier Mesh also offers a cost effective and time-saving alternative to reinforced concrete or concrete masonry systems. Protects against break-ins and break-outs on metal stud framing, while ideal for use in lieu of reinforced concrete or concrete block.