Scot WP-12 is composed of Siloxane & Silane polymers dispersed in high boiling point solvent. It is a ready to use penitrating breathable sealer for concrete, brickwork, rendered and plaster walls, cement painted surfaces, over dholpur stone, porous stone and mangalore tiles. It is applied with a conventional low pressure spray, brush or roller, in various passes wet on wet from bottom up taking care not to let the product run until saturation of the substrate is reached. Don't wait first coat to dry before applying the next coat.