Table 1: C&D Materials and Markets | ||
Material | How is it recycled? | Recycling Markets |
Concrete | The material is crushed, the reinforcement bar is removed, and the material is screened for size. | Road base |
General fill | ||
Drainage media | ||
Pavement aggregate | ||
Asphalt Pavement | The pavement is crushed and recycled back into asphalt, either in-place or at a hot-mix asphalt plant. | Aggregate for new asphalt hot mixes |
Sub-base for paved road | ||
Asphalt Shingles | After removal of nails, asphalt shingles are ground and recycled into hot-mix asphalt. | Asphalt binder and fine aggregate for hot mix asphalt |
Wood | Clean, untreated wood can be re-milled, chipped or ground. | Feed stock for engineered particle board |
Boiler fuel | ||
Recovered lumber re-milled into flooring | ||
Mulch and compost | ||
Animal bedding | ||
Drywall | Drywall is typically ground or broken up, and the paper is removed. | Gypsum wallboard |
Cement manufacture | ||
Agriculture (land application) | ||
Metal | Melted down and reformed | Metal products |
Cardboard | Ground and used in new pulp stock | Paper products |
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