![]() Showcase an Outdoor Lighting Feature Photo Credit: Field Outdoor Spaces / Flickr / CC BY 2.0 To keep the retaining wall caps in place, you may want to opt for an adhesive or sealant. They aren’t necessary for a retaining wall to do its job, but they can add an extra dose of curb appeal. Wall caps are the finishing touch to your retaining wall, like a frame around a picture. Wall Caps Photo Credit: Field Outdoor Spaces / Flickr / CC BY 2.0 A retaining wall helps to hold the soil in place and prevent erosion. The decline in the soil can expose delicate plant roots and cause the area to erode over time. When no retaining wall is present, rain (or heavy winds) tends to wash away soil. Is erosion a problem in your landscape? Build a retaining wall around your problem spot with retaining wall blocks. Retaining Wall Photo Credit: Field Outdoor Spaces / Flickr / CC BY 2.0 You can also use them as landscaping or wall blocks, depending on the project.ġ8 Landscaping Block Ideas for Your Yard 1. Pavers: These are excellent blocks for designing and installing flat surfaces, such as patios or walkways.These blocks can also make raised beds for your vegetable gardens or flower beds. Landscaping blocks, wall blocks, and landscaping bricks: Use these for building a retaining wall or freestanding wall around your yard or garden.But this will vary depending on the landscape project and the blocks you use. You typically don’t need an adhesive or mortar when stacking landscaping or wall blocks, thanks to the locking flange. The flange allows for easy, fast installation when stacking these blocks to make a wall or other landscape structure. Many landscaping and wall blocks have a self-locking flange in the back, a lip that overhangs and grasps the block underneath. Landscaping blocks, retaining wall blocks, landscaping bricks, and pavers are construction blocks that come in various shapes, sizes, materials, and textures. Occasionally rake or shift the sand with the shovel to coax the backfill material into settling. The more compact the backfill, the more stable your wall will be.With LawnStarter What Are Landscaping Blocks? Photo Credit: Redi-Rock International / Flickr / CC BY 2.0.Portion out the backfill material in small amounts to let the material settle. If you shovel in too much at once, you may create hollow spaces in the backfill that can compromise the wall's stability.If you wish, you can leave the drainage backfill slightly lower than the top of the wall, then fill the remaining space with topsoil for planting grass or other plants. The wider the backfill area with gravel or sand, the better your wall will drain.Ordinary soil can be far too dense, creating an enormous weight that puts dangerous stress on the wall. It is very important to use a porous material for backfill, as it will allow water to easily drain away, lessening the weight and force placed on the wall during heavy rains. When the wall reaches its completed height, carefully fill in the space behind the wall using sand or gravel.Wet earth is both hard to shovel into and hard to move. When to build: A retaining wall is best constructed when the soil is dry after a period of no rain.This design causes the wall to angle slightly back into the slope, further improving its holding power. A lip on the back of each block creates a uniform setback as each course is added. Designing the wall with a setback: Concrete retaining wall blocks are shaped in a way that creates a natural setback as the blocks are stacked.For this reason, the space behind a retaining wall is usually filled not with soil, but with a porous, drainage-promoting material such as gravel or sand. ![]() Materials to fill the space: Soil becomes heavier when it's saturated with water.Drainage: A tall retaining wall may need to have a built-in drain pipe or other features to shed water and lessen the pressure on the wall.Our example, a three-tier wall with 14-pound blocks, weighs close to 500 pounds for each 8-foot stretch. But it's the blocks' accumulated weight that does the trick. (The blocks we used in our demonstration weigh 14 pounds each.) Some do-it-yourself retaining wall blocks weigh as much as 61 pounds. Heavy retaining wall blocks keep the soil at bay with their weight. The Spruce Home Improvement Review Board.
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