The company Kormann Rockster Recycler GmbH specializes in the design and production of mobile crushing and screening systems for profitable recycling of asphalt, concrete
and demolition rubble as well as natural stone.

The "Rockster Team" consists exclusively of long-time market insiders, each bringing years of experience into perfecting the Rockster design concept, as well as being personally available to share their expertise with customers.



rockster-recyclingConstruction and demolition recycling and material processing are already major profit factors for many companies in the construction market.
The reclamation of construction debris and the processing of virgin stone are a guaranteed step towards success for the modern contractor.

Fourfold advantage of professional mobile C&D recycling and processing:

1) no deponie fees
2) no transport costs thanks to on-the-site processing
3) no additional costs incurred for costly virgin material
4) increased profit through resale



rockster headquarter"Maximum customer orientation for shared success"

Our success depends on the success of our customers. The success of our customers is in turn ensured by

  • maximum reliability due to top product quality
  • maximum performance due to innovative design concepts
  • economical operations due to technical advances
  • prompt service and competent consultation
  • long-term cooperation


Rockster-Success Story:

Founding of Rockster Recycler2004
Foundation of Kormann Rockster Recycler.
Development of the compact crushing plants R800 and R900 and construction of the prototype for the R900.

Patent application for the „Rockster-Duplex- System“.
Serial production of the R800 and R900 product line. Initiating the distribution network in Europe.

Development of the compact crushing plants R700, R700TR, R700HL.
Launch of the FIRST screen box RS83 with return belt WITHOUT leg supports.
Therefore full mobility was provided for the first time.

rockster awards


Receipt of the patent for the „Rockster Duplex-System“,
Receipt of the innovation award in Zaragoza (Spain),
Receipt of the improvement award "Schrittmacher-Preis" (Austria - OÖ Rundschau)

Building of a new warehouse and office with R&D-center.
Receipt of the Austrian business award for young companies.
Market expansion to the USA, Australia and Asia.

Development and launch of the R1100 – 32 t impact crusher and the screen box RS94 + return belt RB85.
Start of "Rockster North America"
Market expansion to Russia

Foundation of "Rockster India"
Market expansion to South America

Market expansion to North Africa. Launch of the Duplex-Systems for the R1100 and R1200.
Launch of the new impact crusher R700S with screening system and dual function return belt.
Market expansion to China.

National and international Awards through advanced technology

Launch of the impact crusher R1100D (D... preparation for Duplex system included)
Product line extension Rockster screens

Foundation of Rockster Germany
Foundation of Tianjin Rockster Machinery Distribution
Launch of the Mini-Screens RS EASY

For more information click
Copyright © 2011 SIVRIS BROS All rights reserved.

Powered by
Softways S.A.