Spring is some time to apply pre-emergent herbicides to control weed growth, specifically for crabgrass. Check out the landscape for signs of pest infestations like dead branches or destroyed leaves. Prep your surface area: Soak and saturate the brick with water. This will reduce the bricks from absorbing severe detergents. https://maintenance-work-order-sy67914.jts-blog.com/32831697/the-greatest-guide-to-landscaping-contractor