Mapei MapePave Brush In Grout is a ready to use jointing compound designed for external paving installations. It is ideal for use with concrete, porcelain and natural stone slabs, providing a durable and weather resistant finish. The formula allows for quick application using a brush or squeegee, making it perfect for patios, pathways, terraces and driveways with light traffic. MapePave Brush In Grout is permeable to water, helps prevent weed growth, and resists frost and rain, making it suitable for all year round use. It is easy to apply, requires no mixing, and cures without shrinkage or cracking. Suitable for joint widths between 5mm and 30mm.