The Visqueen Zedex CPT 100mm x 20m High Performance Damp Proof Course DPC is a top-quality building material designed to prevent dampness in housing. With a thickness of 100mm and a length of 20m, this DPC provides reliable protection against moisture infiltration. The Visqueen brand is known for its durability and effectiveness in ensuring a dry and healthy environment in residential buildings. This product is essential for maintaining the structural integrity of a property and preventing water damage. New item . Some damage to packaging please see photos