LH Voss Materials has a unique blend of sands and wood fibre organic amendment which meets and exceeds the filtration rates specified by the Contra Costa County Water Program, Stormwater C3 guidebook requirements effective January 2012. Interested in learning more?

LH Voss is centrally located in Concord, CA. Please contact us for more information about our Biotreatment Soil Mix.

or visit our website at http://bioswale.net/