Packing Sand
This is a washed coarse river sand produced from the wash of aggregate gravels. It is the product that most paving contractors use to lay their pavers on. Used for concrete and or packing under slab construction or paving.
Commonly used by tilers for topping floors in bathrooms & renderers for rendering first coat solid renders. Generally has a high clay/fine silt content and may be required to meet a specification including grading and pH and resistivity.