Washed Products

Cleanliness just scratches the surface

Rock Trade Industries (RTI) are a Local Lockyer Valley Quarry business who historically have been involved in the supply of high quality dimensional rock locally and exported internationally.  By diversifying into Civil Construction materials, RTI have evolved into an innovative, dynamic and progressive business whose core values are Quality, Sustainability and Community.
Our Helidon Qld operation currently produces Sub-Rounded to Rounded Lithic Silica Sand containing 95% free Silica.  The product has undergone extensive laboratory testing showing it to be Hard, Strong and Durable making it an ideal ingredient in high end construction materials.
The vast MRTS Approved reserve is free of Organic, Mineral, Sulphate and Chloride contamination.  The ultra-fines are in the form of non-reactive Kaolin clay which is classed as non-deleterious.
Following a robust triple cyclonic wash process the sand is independently tested in NATA approved laboratories before being stockpiled in accordance with our MRTS approved quality management system.
Independently Risk Assessed for suitability as a fine aggregate component in Concrete (MRTS70) and Asphalt (MRTS30).
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As a product deriving from our sand washing process, our gravel trickles off the conveyor belt in a spotless manner.
It is not hard to prove that our washed 24mm minus and our washed 7mm minus is one of the cleanest and most colourful around. Come have a look for yourself.
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