Gravel Whitby | Oshawa |Hard-Co ... - Hard-Co Sand & Gravel
A finely crushed limestone as in the ¾" crusher run, without the larger pieces. It is great for compacting and will compact tight not allowing much drainage. High-Performance Bedding (HPB) A ¼" chip limestone without any fines. It is a limestone that is already 93% compacted, easy to handle and is ideal for under interlocking patios or slabs.