Peran SL Self-levelling is used on surfaces for heavy and intensive traffic, such as in the engineering industry, storage areas and fork-lift truck aisles, and in industries with high standards of hygiene in dry environments with intensive traffic. Peran SL is a self-levelling 2-component epoxy system with an additive of a specially selected filler material. It is normally applied in thicknesses from 1.5 to 3 mm.