This DPM Damp Proof Membrane is a reliable solution for protecting your building against dampness. With a clear roll of 4m x 25m, this unit is ideal for larger buildings and projects. It is BBA approved and comes with a guarantee of durability, ensuring that your building remains dry and safe. The unit type is a single unit, and the unit quantity is one. This product is perfect for those in need of a damp proof membrane for their building or project. It falls under the categories of Other Building Materials, Building Materials & Supplies, and Business, Office & Industrial.