Zeager Bros., Inc. has been recommending to our customers the need to install WoodCarpet^® engineered wood fiber (EWF) over a recommended drainage system for several reasons. Some of these reasons has been to extend the life of the EWF, limit mold & fungus growth, and to limit the EWF from freezing therefore making the surfacing less resilient during freezing temperatures. This study focused on the decay rate of the EWF. 

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