The everbuild 401 brick and patio cleaner is a professional strength acid based solution designed to remove stubborn mortar, cement stains and ingrained dirt from masonry surfaces. Formulated at 9.5% acid strength, this fast acting cleaner penetrates and dissolves construction residues that standard detergents cannot shift, making it an essential product for post building clean up and patio restoration projects. This versatile cleaner is suitable for use on most mineral surfaces including brick, stone, concrete, flagstone and earthenware, providing tradespeople and contractors with a single solution for multiple cleaning applications. The 5 litre container offers sufficient coverage for larger cleaning projects whilst remaining manageable for site use. Ideal for removing mortar smears and cement splashes left after bricklaying or pointing work, the everbuild 401 also effectively tackles paint residues on mineral surfaces. Whether you're cleaning newly laid patios, restoring weathered stonework, or removing building stains from brickwork, this concentrated formula delivers professional cleaning results on hard mineral surfaces. Features and benefits bull fast acting 9.5% acid based formula for effective stain removal bull dissolves stubborn mortar and cement residues bull suitable for multiple mineral surfaces including brick, stone and concrete bull 5 litre size ideal for larger cleaning projects specifications clean type cleaner size l 5