You need to know the process of cleaning the exterior brick: Your local brick dealer probably carries these products. 1. For stone, brick or masonry made exterior walls, test your mortar for damage. Rinse with warm water and wipe off with a soft cloth. When you want to clean the exterior brick, you need to prepare some tools, such as the rake, gloves, stiff brush or broom, hose pipe with spray attachment, and vacuum cleaner. However, harsh cleaning techniques can damage its surface. Mix 1 part … This method is best for cleaning small areas, like the brick trim around a fireplace. If your walls are made from bricks, rock or masonry, check your mortar before you start. But if not, ProSoCo and Diedrich Technologies offer reputable exterior brick cleaner products so you can learn how to clean exterior brick. Clean the gutters. Exterior Brick Walls. When you clean the brick, remember that you are using an acid-based … If the wall is clean… If the cement is actually embedded within the brick, you may have to resurface the brick to get it off. Exterior brick walls require minimal care but occasional cleaning keeps them looking their best. The easiest way to clean mortar or cement off of brick is with a chisel. Brick Basics: Maintenance, Care, and Cleaning Brick is a material built to last, but it still calls for some maintenance. You need to scrub the dirty bricks with a mixture of table salt and dish soap. Let the solution work into the brick for at least an hour before you scrub it with a stiff-bristled brush. Other factors include the size of the wall, the degree of dirt and the condition of the brick. How To Clean Exposed Brick Wall . Apply the solution to the brick wall working from left to right and from the top down. Exterior Brick Cleaning: How to Clean Exterior Brick in 7 Steps Regular brick cleaning is an important task every homeowner with this type of exterior should partake in. Scrub the brick using a stiff bristled scrub brush then wipe away the paste with a rag and warm water. Standard household detergents alone are rarely enough to clean brick properly, so if your home features exposed interior brick, plan to use alternative cleaning methods instead. How to Clean Cement off Brick. When choosing a method for cleaning brick naturally, first consider the location of the wall -- an outdoor brick wall affords more cleaning options, while an indoor wall usually dictates cleaning by hand. While brick is durable, it still requires occasional upkeep. How to Clean Cement off Brick. Regularly cleaning exterior walls will help keep them in good shape. The simplest way to keep your restoration bricks wet is by using a garden hose to wet exterior bricks.