Prep & Etch 920
Prep & Etch 920 is an easy to use surface preparation solution designed for concrete and masonry surfaces. It can be used to remove mortar stains, etch concrete before application of a sealer, paint, or coating and for the cleaning and removal of grout haze from tiles after grouting.
Prep & Etch 920 is supplied as a concentrate and 1 litre treats up to 6 m2 of concrete.
Unlike hydrochloric acid which gives off toxic fumes and can damage surfaces, it is a safe and effective alternative that is easily neutralised with water and gives off no toxic fumes.