Our 20/25 hydraulic engineering paving is designed for particularly demanding applications in road and hydraulic engineering. The large, robust stones are ideal for bank reinforcements, embankments or heavy-duty traffic areas.
Dimensions:
Edge length: 20 to 25 cm
Surface: rough, split by machine and/or by hand - with characteristic processing marks
2 to max. 3 sawing surfaces permitted
Billing unit: ton (1 ton ≈ 2 m² visible area)
Approval: According to TLW (2003) and DIN 18383 (except for bulk density and compressive strength)
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