1999
CertainTeed acquires GS Roofing Products and the Unisul insulation equipment business.
CertainTeed acquires GS Roofing Products and the Unisul insulation equipment business.
Norton Company acquires Flexovit, an abrasives manufacturer.
Norton Canada acquires the Carborundum Pulpstones business in Niagara Falls, Ontario.
Saint-Gobain acquires Calmar, a leading manufacturer of trigger sprayers and fluid-dispensing products.
CertainTeed acquires Bird Incorporated, one of the oldest roofing companies in the United States, headquartered in Norwood, Massachusetts.
CertainTeed opens its “K21” line in Kansas City, Kansas — the world’s largest fiber glass insulation production line.
Norton Company acquires U.K.-based Unicorn International, including its North American subsidiary, Universal Abrasives.
CertainTeed acquires Bufftech, a manufacturer of vinyl fence, deck and railing products.
Norton Company acquires Ernst Winter Abrasives, the world’s largest manufacturer of diamond and cubic boron nitride tools.
Saint-Gobain acquires British Petroleum’s ceramic products subsidiary, Carborundum Ceramics of Niagara Falls, New York.