![]() ![]() Periodically check to make sure the stones are level and wobble-free.The front edge will have a slightly “stepped-back” look due to the lips on the stones. Continue laying courses of stones, making sure the lip of the stone is tight against the stone below it, and also making sure the seams are offset. If you’ve worked hard to make sure everything is level, then this is the fun part.If your wall has straight edges on the ends, start your next course with a block that has been cut in half. Each row of blocks is offset from the one below it.Getting the first course right is the key to a successful wall. Continue laying stones side-by-side along your trench, making sure they are level.Level the string with a line level, and use the string as a guide for laying the rest of the first course. Hammer wooden stakes in the ground at each end of the trench, and stretch a string between them even with the top of the first stone.Adjust by lifting the stone and adding more gravel or digging deeper as necessary. Make sure the stone is level from front to back and side to side. Position the first stone in your trench.If your wall goes across a slope, start at the lowest end. Start at the edge of the wall that’s most visible, or the edge that butts up against another structure.Add several inches of sharp gravel or rock dust to the bottom of the trench, and use this layer to do your final leveling and tamping.Tamp down the bottom of the trench using a soil tamper.If your wall goes across a slope, you can dig a series of stepped trenches so that only one course of blocks is below ground.Make the trench as level as you can, to save time later.Cut straight down with the shovel keep from disturbing the surrounding soil. Along your marked line, carefully dig a trench slightly wider than the blocks (ideally, the width of your soil tamper), and deep enough so the first course of blocks is below ground level.Mark the ground using flour layout lines or landscape marking paint. Use a garden hose to lay out a pleasing line for your retaining wall.Before you begin, check with your city utilities office, or dial 811 to make sure there aren’t any buried pipes or cables in your digging zone. ![]() Count on at least one block per linear foot, and count on it taking more blocks than your estimate suggests! Interlocking stackable stones and toppersĮstimating the number of blocks you’ll need is tough.Gravel (sharp, not rounded) or rock dust.Materials Needed For this project, you will need: Taller walls typically need additional structural reinforcement and may require a building permit along with professional advice or help. Stackable stones are generally recommended for walls less than 3’- 4’ high. Lighted Magnifying Glass That Stays Put.Best Lawn Care Service for Service Dogs. ![]()
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