General description Thompson's Advanced Brick & Mortar Cleaner effectively removes mortar stains, limescale, and efflorescence in just minutes. It is designed for use before applying Water Seal and is quick and easy to use without discoloring brickwork. Technical specifications Volume: 5L Installation Before application, scrub the surface with a stiff bristle brush to remove any moss or dirt. Usage For light staining: Dilute 1 part cleaner to 10 parts water. For medium staining: Dilute 1 part cleaner to 5 parts water. For heavy staining: Dilute 1 part cleaner to 1 part water. Ensure all surfaces are completely wet before applying the cleaner. Apply using a brush or sprayer, working in 1m sections from the bottom upwards. Each area should be fully saturated before moving to the next section. Leave the cleaner to work for 5 to 10 minutes. Clean the surface with water and a brush, rinsing thoroughly to remove all traces of the product. Clean all equipment with water immediately after use.