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Category: Roads and Bridges

Aloha, Armorstone! How Our Little Rocks Made a Big Difference in Oahu

October 29, 2020
Eve Hart
by Eve Hart

Driving east on the H-1 Freeway under the Kaahumanu Street overpass, a 1,300-foot stretch of dark brown lanes come into view.

…Continued

How to Make Roads Safer: Armorstone® in Las Vegas

March 1, 2019
Eve Hart
by Eve Hart

How do you make roads safer? Add Armorstone anti-skid rock.

…Continued
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Q&A: Meeting the Demands of the Overlay Aggregate Industry

September 29, 2017
Eve Hart
by Eve Hart

Producing, selling, and distributing overlay aggregate requires coordination on a high level.
…Continued

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What is Overlay Aggregate?

November 18, 2016
Eve Hart
by Eve Hart

St. Thomas in the Virgin Islands has it. Utah, New Mexico, and South Dakota have all used it. What is it? Washington Rock’s Armorstone.

…Continued

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Learning How to Preserve Bridges and Roadways

June 16, 2016
Nikki Rogers
by Nikki Rogers

In May, Greg and I attended the Western Bridge Preservation Partnership Meeting in Salt Lake City.
…Continued

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    Office Hours
    Mon–Fri 8 AM–4 PM

    Due to COVID-19, the corporate office is temporarily closed to customers. We are still taking calls.

    Pit & Quarry Hours
    Mon–Fri 6 AM–4 PM
    Sat 6 AM–12 PM (April through October)

    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.

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

    • Press 1 for Sales
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  • Addresses & Directions

    Corporate Office
    21711 103rd Ave Ct E
    Suite C302
    Graham, WA 98338
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    King Creek Pit
    25009 Brooks Rd E
    Orting, WA 98360
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    Printable Directions >

    Kapowsin Quarry
    29104 Camp One Rd E
    Orting, WA 98360
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    Due to COVID-19, we aren’t accepting cash payments at this time. Minimum $35 purchase required on all materials.

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

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