How high can retaining wall blocks be stacked?

24 to 36 inches high
Planning a Block Retaining Wall The interlocking retaining wall block can be stacked to build walls up to 24 to 36 inches high, depending on the size of the block.

What do you put under retaining wall blocks?

Use crushed gravel to fill in the back and sides of your blocks. Backfill helps with water drainage. Compact the backfill before starting on the next row of blocks.

How do you stack garden stones to make a border?

Getting stones to stack together is a matter of trial and error. Continue adding stones until the border is the height you desire. Wedge smaller, thinner pieces of stone between rows, as necessary, to help keep the border level. Stones wedged between rows can also help keep uneven stones stabilized.

How do you build a brick wall for a vegetable garden?

You can add a compacted gravel base or bury landscaping timbers under your brick walls. Install the base materials so they are level with the surface of the soil around the perimeter of your plant bed to create a non-permanent and flat surface to stack bricks on.

How do you build a stackable retaining wall?

Here’s what you need to know to build your own stackable retaining wall. Stackable stones are made of concrete, with a decorative finish on the front and a lip on the back. The lip fits snugly against the block below it, creating an interlocking joint that holds up to pressure, while the decorative front gives an attractive finish.

What is a stackable block?

Stackable blocks come in many styles and colors. Stackable stones are made of concrete, with a decorative finish on the front and a lip on the back. The lip fits snugly against the block below it, creating an interlocking joint that holds up to pressure, while the decorative front gives an attractive finish.