ground fill

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1. Soil, crushed stone, or waste materials, used to raise an existing grade or as a man-made deposit.
2. The depth or the volume of such material so added.
3. A cementitious material such as concrete or terrazzo, which is placed over a metal substructure to provide the wearing surface of a tread or platform.
4. Aggregate placed on a roof decking, 2 to form the appropriate design slope.
References in periodicals archive ?
NSS, LLC is a leading manufacturer and distributor of rubber landscaping products including; rubber mulch, rubber timber, benches, stepping stones, pavers, flower beds, pathways, pool & pond borders, and playground safety surfacing products including flex curbs, rubber ground fill, swing safe mats, rubber safety tiles, walk & roll mats.
The cracks, caused by ground fill material beneath the building expanding when saturated, were not a safety issue but had to be continually patched up during holidays and even at weekends.
We sat in the stand in the late afternoon sunshine for an hour or more and watched the ground fill up around us.