High-quality DPC (Damp Proof Course) liner roll, typically measuring 30m by 23cm, designed to create an effective moisture barrier in brick and blockwork to prevent rising damp.Key Functions: The liner acts as a physical barrier placed within walls to stop moisture from traveling upward through capillary action, which helps protect buildings from mold and rot.Material and Installation: It is made of a strong, durable polyethylene or polypropylene material that is flexible and easy to cut, allowing for quick application during construction.Specifications: This specific product is a 30-meter long roll, available in various widths like 23cm or 225mm, and is sometimes embossed to improve adhesion to mortar