Quick Wall Installation

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  Step 1: Planning

  1. Draw a sketch of the retaining wall dimensions.
  2. Choose your wall block type and size.
  3. Before digging, carefully lay out and mark the area with spray paint. A string line and stakes can be used to further mark the area.
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  Step 2: Excavation

  1. Dig a trench. It should be a minimum 8cm to 10cm (3" to 4") deep by 30cm (12") wide. Add a minimum leveling base of 2.5cm (1") of crushed stone and then compact.
  2. Use a tamper and level to ensure a properly constructed base.
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  Step 3: Install the First Course

  1. If water pressure could be a problem, drainage tubing should be installed along the rear face of the trench to allow proper drainage.
  2. Lay the first block level on top of the foundation. Level each stone to its neighbouring stone.
  3. Use a level to ensure each piece of the first layer is level side-to-side and front-to-back.
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  Step 4: Install the Remaining Rows

  1. Start a second row with 1/2 stone offset, placing each piece tightly together.
  2. If your wall is over 91cm (36") high, plastic grid reinforcement should be installed.
  3. Backfill the area behind the wall using frost-free granular material and then compact it.
  4. If you will be planting behind the top of the wall, cover the backfill with landscape fabric before adding topsoil to the area. Leave a flap of landscape fabric up the back of the wall to ground level to ensure proper drainage.
  5. When the wall is brought to final grade, secure the top two courses of stones, including the cap, using butyl tape or a suitable adhesive caulking. (Optional wall coping stones are available.) 
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