How high can retaining wall blocks be stacked?

How high can retaining wall blocks be stacked?

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 is the cheapest retaining wall block?

What Is the Cheapest Type of Retaining Wall? The cheapest type of retaining wall is poured concrete. Prices start at $4.30 per square foot for poured concrete, $5.65 for interlocking concrete block, $6.15 for pressure-treated pine, and about $11 for stone.

How much does a 50 foot retaining wall cost?

Installing a 50′ long retaining wall costs $4,000 to $10,000 on average. Retaining wall labor costs $10 to $30 per square foot and material prices are $5 to $20 per square foot on average.

How deep should the footing be for a retaining wall?

To construct a footing for a dry-stacked retaining wall, excavate a trench that is 5 to 7 inches deep plus 1 inch for every 8 inches of planned wall height. Lay 4 to 6 inches of course gravel in the trench and tamp it down, checking for level regularly and making adjustments as needed.

Do I need a French drain behind a retaining wall?

If you’re building a retaining wall, add a French drain behind the first course of stones or blocks. Otherwise, water moving down the hill will build up behind the wall and undermine it. The pipe should rest on the same compacted gravel base or concrete footing that supports the wall.

How to build a stackable block retaining wall?

Stackable Concrete Blocks. Stackable stones are made of concrete,with a decorative finish on the front and a lip on the back.

  • Materials Needed. Estimating the number of blocks you’ll need is tough.
  • Layout and Planning.
  • Digging the Trench.
  • How to build a retaining wall?

    Choose gravel that has stones sized between 1/2-inch and 3/4-inch.

  • Fill the trench with a 2- to 3-inch layer of gravel.
  • Use a rake to ensure the stones are evenly distributed.
  • Tamp the base with your tamper to make sure it’s evenly compacted.
  • Where to buy retaining wall blocks?

    Find retaining wall block at Lowe’s today. Shop retaining wall block and a variety of lawn & garden products online at Retaining Wall Block at

    How to lay retaining wall blocks?

    Prepare Ground. The most important step to laying out some retaining wall blocks is to prepare the ground.

  • Run String Line. Keeping a retaining wall straight is also very important to the strength of it.
  • Lay First Block. Start at the very beginning of your wall and lay the first block.
  • Finish First Row of Blocks.
  • Start Second Row.
  • Tie Wall to Hillside.
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