End Liquid is a colorless liquid for spray application, being capable of deeply hardening any porous material, presenting great effectiveness. It is used for the surface consolidation of the rock wool mortars of the PERLIWOOL range from Carboline. The product consolidates the substrate through penetration depending on its density, thickness, and composition. The product prevents the dispersion of fibers in fibrous mortars, being excellent for their encapsulation and subsequent hardening.