A flexible, acrylic compound with silicone, for extra water resistance. Used for repairing and sealing cracks and joints in concrete and masonry. This easy gunning sealant dries gray similar to concrete. It is paintable/topcoatable. Helps prevent ice and water damage and has extended outdoor durability. Easy water clean up. Recommended for repairing cracks in any concrete surface including: Driveways, sidewalks, basement floors, carports, walls, steps, garage floors, patios and thresholds. It is also recommended for sealing joints around: Concrete, cinder block, brick, stucco, stone and mortar. Not recommended for use around fireplaces or joints larger than 1/2 In. For interior & exterior use. Color: Concrete gray.