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INDOT #8 slag is a clean, small-sized steel slag aggregate that meets Indiana Department of Transportation specifications. Typically sized between 3/8 inch and 1/2 inch, this angular material provides excellent drainage, durability, and consistent performance. Its uniform gradation and hard composition make it well suited for both structural and drainage-focused applications.
Because it is washed and free of fines, INDOT #8 slag allows reliable water flow while maintaining stability under light traffic and construction use.
Common applications for INDOT #8 slag
Sold as bulk material and delivered loose by dump truck. Typically dumped in a driveway, parking area, or another safe, accessible drop zone.
Bulk Material, delivered loose.
Dump truck delivery from a local supplier.
Customer must choose a safe, accessible drop location.
Avoid low wires, soft ground, tight turns, steep slopes, and blocked access.



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