Longevity of Stabilized Decomposed Granite

Landscape Architecture for Landscape Architects Forums DETAILS & MATERIALS Longevity of Stabilized Decomposed Granite

This topic contains 1 reply, has 4 voices, and was last updated by  Tosh K 5 years, 3 months ago.

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  • #152290

    Zack Young
    Participant

    Has anybody worked with stabilized decomposed granite for drive/parking purposes and know the durability of the product.  Will it last ~20 years as asphalt paving would?

    #152293

    Tosh K
    Participant

    Installed correctly, sticks around for a while (look at the parks in Paris), but will require topping off as it wears.  It does rut however, so you’ll need to make sure runoff isn’t running through it in large amounts.

    #152292

    We have found that wash out can be a problem even if well compacted. Proper Drainage is important. 

    As for 20 years…not without maint.

    #152291

    Trace One
    Participant

    DG is not for driving on, as far as i know. Wonderful for pedestrian traffic, not working for cars. 

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