Aug 22, 2006. /Lesprom Network/. Rock-Tenn Company announced on August 21 a $25 per tonne price increase on coated recycled paperboard (CRB) and a $25 per tonne increase on all sheeting charges. Caliper up charges of $15 per tonne will be implemented on .016" and .030" and above grades of CRB. Additionally, MillMask(TM) System stain resistant paperboard prices will increase $50 per tonne. All price changes will become effective with shipments on September 18, 2006. Rock-Tenn Company provides a wide range of marketing and packaging solutions to consumer products companies at low costs, with net sales of approximately $2.1 billion and operating locations in the United States, Canada, Mexico, Argentina and Chile. The company is one of North America's leading manufacturers of packaging products, merchandising displays and bleached and recycled paperboard.