0475 Porous Backfill April 17, 2019 Washed limestone chips meeting IDOT Gradation No. 29 used for drainage tile backfill. Locations For This Product Fetching directions...... Reset directions Print directions Filter byAll1171 Recycled Subbase 0280 Erosion Stone 0980 Oversize Gravel 0250 1″ x 5″ Clean 0950 Decorative Gravel 0245 1″ x 3″ Clean Macadam Stone 0940 Septic Gravel 0220 2″ Clean 0910 Pea Gravel 0215 1 1/2″ Clean 0860 Concrete Sand 0210 1″ Clean 0207 3/4″ Clean 0820 Fill Sand 0605 Rip Rap 0171 Modified Subbase 0552 Fill Lime/Screenings 0170 Special Backfill 0521 Ag-Lime 0140 4″ Roadstone 0475 Porous Backfill 0130 3″ Roadstone 0471 3/8″ Washed Chips 0120 2″ Roadstone 0172 Granular Subbase 0421 Commercial Concrete Stone 0110 1″ Roadstone 9900 Concrete & Asphalt Recycling 0420 State Concrete Stone 0107 3/4″ Roadstone 2050 Recycled Asphalt 0401 Man Sand 0825 USGA Sand 1207 Green Clean 0320 Asphalt Stone Title Link Address Phone Hours