The Buildload 300 Micron Damp Proof Membrane (DPM) is a heavy-duty black polyethylene sheet designed to provide reliable moisture and vapor protection for concrete floors, foundations, and walls. This high-quality polyethylene damp barrier membrane prevents water penetration and rising damp, ensuring a dry and durable building structure. Ideal for construction, flooring, and waterproofing applications, the 300 micron DPM sheet acts as an effective vapor barrier and waterproof layer under concrete slabs and screeds. Durable, flexible, and easy to install, this Buildload DPM black sheet is the perfect waterproof building membrane for long-term damp protection and structural integrity.