Lavaproducts
Quality-monitored lava for road and path construction, landscaping,
sports grounds and playground construction, etc.
Basalt products
Basalt, basalit, basalt sand and high-quality chippings for road and path construction,
with test certificates for frost protection, ballast support layers, etc.
Logistics
38 vehicles for all types of bulk goods transport, including silo transport, ship and wagon loading, and waste transport permits.
Substrates
Quality substrates for single and multi-layer, extensive and intensive greening,
for tree planting and roadside greenery, etc.
Recovery
before disposal

Stolz products

All Stolz products are subject to the same process during extraction and production, consisting of:

Drilling, blasting, breaking,
sieving and grading

These processes have been continuously refined over the decades in the Stolz plants.

The results are environmentally-friendly prices, environmental compatibility and protection of resources.

The Stolz company is RAL-listed and monitored. All products are also monitored according to the latest directives.

If you have any questions about quality assurance, the Stolz team will be glad to answer them.