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PRODUCTS: Rock Wall

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Ballast

Drain Rock

Landscape Rock

Quarry Spalls

Landscape Rock and Drain Rock for Rock Walls

Our rock products provide beauty and strength for your rock walls.

Landscape Rock
Our Landscape Rock, also known as rockery rock, is ideal for the construction of rock walls, retaining walls, and rockeries. You can view landscape projects that use our rock on the Rockery Rock projects page.

Drain Rock
Rock walls should be backed by a drainage system made up of drain rock and a drain pipe to prevent water from building up behind the wall and damaging it. The rule of thumb is that as the height of the wall increases, the size of the drain rock should increase. In other words, a shorter wall can be built with smaller gravel pieces while a taller wall must be built with larger gravel pieces.

Customers typically use Gravel Backfill for Walls, 1½ Drain Rock, 2″ Ballast, or 2″—4″ Quarry Spalls. Consult with an engineer or landscape architect to determine the best option.

Kapowsin Blue Signature Color
Kapowsin Blue is the name for the blue-gray color that is unique to Washington Rock’s crushed rock products. The color is especially pronounced when our products are wet, such as after rainfall.

Project Photo Inspiration

Check out some past projects that have used materials in this category:

  • Daybreak Rock Walls
  • Lakeland Ridge rock walls
  • Point Defiance sail mounds
  • Washington Park Arboretum rock walls

Relevant Blog Articles

Did you know our blog is a popular resource for all things rock, sand, and soil? Check out some of our educational articles related to this product category:

  • How Many Cubic Yards Do I Need? | How to Calculate How Much Gravel, Sand, or Soil You Need
  • Choosing the Right Rock: Comparing Crushed Rock Sizes and Types
  • Lawnless Landscaping: Using Gravel for Paths, Patios, and Gardens

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  • Hours

    Office Hours
    Mon–Fri 8 AM–4 PM

    Pit & Quarry Hours
    Mon–Fri 6 AM–4 PM
    Sat 6 AM–12 PM

    Prior to your visit, please contact our sales team to check on product availability.

    Annual Holiday Closures
    Closed for New Year’s Day, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day, Black Friday, Christmas Eve, and Christmas Day.

  • Phone Number

    Call us at 253-262-1661 and choose an option from the call menu.

    • Press 1 for Sales
    • Press 2 for Dispatch
    • Press 3 for Armorstone
    • Press 4 for Accounting
    • Press 5 for HR & Safety
  • Addresses & Directions

    New Corporate Office
    Mailing Address:
    PO Box 250
    Orting, WA 98360

    Physical Address:
    25009 Brooks Rd E
    Orting, WA 98360

    King Creek Pit
    25009 Brooks Rd E
    Orting, WA 98360
    Map >
    Printable Directions >

    Kapowsin Quarry
    29104 Camp One Rd E
    Orting, WA 98360
    Map >
    Printable Directions >

  • Payment Options

    We are a cash-free facility. Minimum $35 purchase required on all materials.

    We accept all major credit cards, debit cards, and checks. Please note that a 3% transaction fee is added to all card purchases to cover the processing fee.

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