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As the only purpose-built shingle grinders available, the RG-1 and RG-1 E (electric-powered) offer lower wear costs and more uptime than anything marketed as a shingle grinder.
Nothing maximizes the profitability of asphalt shingle recycling like a Rotochopper RG-1. The only machine designed specifically to process asphalt shingle waste, the RG-1 is packed with exclusive features that result in the lowest wear costs, highest efficiency, and the most uptime of anything on the market.