Retaining Walls

  • Cement block wall built by Environmental Construction
  • Decorative rock wall
  • Natural stone retaining wall
  • Rock retaining wall

Creating a garden shouldn't make you feel like you're on a slippery slope. Retaining walls, landscape terracing, or rock outcroppings are a great way to create a more useful, beautiful, and safer garden in Northwest Washington.

The Purpose of Retaining Walls

Retaining walls are built for slope management, drainage control, and aesthetic purposes. Retaining wall installation in Seattle is common, due to our terrain. There are three types of materials used by Environmental Construction -- natural stone, timbers or wood, and segmental units or block walls.

Natural Stone Walls (outcroppings and dry stack walls)

Natural stone is typically used for low-rise retaining walls and across slopes to provide pockets for plantings. The use of stone in the landscape can create a variety of appearances from "New England Dry Stack" to "Alpine wilderness-looks." Stone effectively holds soil preventing erosion.

Timber Retaining Walls

Timbers can be used for low to mid-rise retaining walls. It is the easiest of the retaining wall materials to work with. Wood retaining walls complement both contemporary and rustic looks. A timber retaining wall more than likely will require drainage to prevent the buildup of hydrostatic pressure.

Block Retaining Walls (segmental units)

Block walls use various interlocking systems for increased stability for low to high-rise retaining walls. It is the strongest wall material and most likely will last the longest. Cement block walls offers a clean "industrial" look that could add a modern feel to the garden.

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