Quality from the Rhine

Precisely dosed mixing ratio of crushed stone and sand

U‌nder the name “Sooneck-Frost”, the Sooneck hard stone works from Trechtingshausen/Rhine offer particularly high-quality crushed stone for substructures from their own quarry. Due to the company’s own production, the sand-gravel mixture has an above-average quality and can be compacted particularly well due to the fine sand content, the quarry operator informs.

1 Sooneck hard stone works offer high-quality crushed stone for substructures from their own quarry
© Hartsteinwerke Sooneck

1 Sooneck hard stone works offer high-quality crushed stone for substructures from their own quarry
© Hartsteinwerke Sooneck
Also known as “mineral concrete,” “Sooneck Frost” ensures a stable foundation and ensures that roads, manholes, excavation pits, houses, driveways, yards, terraces and the like do not suffer frost damage. This ensures that the substructure can withstand wetness and frost as well as pressure from, for example, foot traffic and driving on the structure. “It is important to pay attention to high quality when it comes to the substructure, because any negligence at this point can lead to considerable consequential damage and many times higher costs,” explains Dipl.-Geologin Nicole Müller, quality representative at the Sooneck quarry on the Rhine.

2 The hard stone works supply "Sooneck-Frost" in various grain sizes
© Hartsteinwerke Sooneck

2 The hard stone works supply "Sooneck-Frost" in various grain sizes
© Hartsteinwerke Sooneck
The graduate geologist cites the precisely dosed mixing ratio of crushed stone and sand as a key quality feature. The coarse stones provide the subgrade with a good drainage function, while the fine sand components ensure particularly good compaction. The water permeability ensures that precipitation water can seep away or that water from the subgrade does not rise to the top. Structures above are thus protected from damage caused by frost or constant moisture.

The hard stone works supply “Sooneck-Frost” in various grain sizes. Smaller grain sizes are more suitable for private use because they are easier to process and install. A coarser grain size, on the other hand, is recommended when using professional construction machinery and powerful vibratory plates for spreading and compacting the mineral concrete.

The graduate geologist Nicole Müller emphasizes: “However, it is not only the smallest and largest particle sizes that are important for the quality, but also the proportions as they appear in the grading curve diagram. With Sooneck-Frost, we pay strict attention to getting as close as possible to the ideal grading curve, also known as the Fuller curve in technical jargon. This means that the voids between the individual grains are approximately the same size to ensure maximum quality, functionality and durability. This is because we know that our customers rightly expect the best quality when they hear the name Sooneck. This good reputation represents an obligation for us, which we are happy to fulfill down to the smallest detail.”

www.debeijer.de

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