We prepare surfaces by sandblasting with sand rich in quartz or with grit - both concrete surfaces and metal surfaces, at heights of up to 60 m, with Clemco-type mobile sandblasting units. Upon request, we can furnish the sand and the necessary compressed air. On the metallic surfaces the preparation degree is according to Sa-ISO 8501/1. Sandblastings can be also made in places that are difficult to access - inside or outside.
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Reference works: Silos for depositing cement, tower for humectation and heat-exchange, with the afferent metallic structure, estacada for transportation, potable water tank (SC Holcim (România) SA - Ciment Alesd), cranes used in ports (Aker Yards Tulcea), tanks with great capacity
High water blasting is executed with a mobile blasting unit that removes the rust, paint or any kind of deposits' layer, with help of a water jet at 1500 bar (consumption of about 100 l/hour). It cleans deposits from concrete, removes fuel oil, oil, calcium crusts, segregated concrete stains. It has the advantage of saturating the work surface before repairs. It cleans concrete reinforcements in order to be treated; it removes paint and rust before non-destructive tests.
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