RitterSeal™ Waterproofing Membrane is a multi-oriented poly-fibre membrane containing a high-grade specific resin formulation. The Membrane is specially designed to offer excellent water and UV resistance enhanced with superior chemical resistance and high mechanical properties for most of the substrates to which it is applied. The RitterSeal™ Waterproofing Membrane is engineered and formulated as an ‘instant use’ membrane and involves no mixing of chemicals or additives.