The Brush-In Porcelain Paving GroutThe quick and easy solution to filling joints between porcelain paving. Simple to use, ProJoint™ RapidFlow™ allows an untrained hand to consistently deliver perfect joints every time - precisely formulated for porcelain paving but equally suitable for natural stone paving. It delivers a weed free, frost resistant joint, without staining the paving - saving you time and money. ProJoint™ RapidFlow™ is available in five colours: neutral (buff), light grey, mid grey, basalt and black. KEY FACTS: Precisely formulated for Porcelain Paving, Natural Stone and Concrete Professional strength and suitable for joint widths of 3mm upwardsCement free and non-hazardousSuitable for pedestrian traffic: ideal for paths and patiosPre-mixed, ready to use and ideal for DIY useAlso Suitable for natural stone paving. NOTE: as sand is a natural product, some minimal colour variance may occur. As screen colours can vary, the product colours shown above are representative only