30m Damp Proof Membrane Course Polythene DPC Brick Block Work Membrane Description: A damp proof membrane conforming to EN14909 and BS6515 suitable for domestic construction. Embossed to assist mortar adhesion. Range 450gsm damp proof course available in the following sizes: DPC100: 30 metre roll x 100mm width Uses The DPC can be used in both vertical and horizontal applications to restrict upward and horizontal moving water within structure walls. Bond It DPC is unsuitable for use in applications that places high sheer stress on the DPC, such as restraining walls or high flexible stress, such as freestanding walls and parapets. The DPC should not be used to restrict the flow of downwards moving water such as above lintels or within cavity walls. Suitable for use all .