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The Tile Council of North America Blog
SEPTEMBER 30, 2011
TCNA’s Bill Griese Honored at Coverings 2016 Trade Show for Outstanding Achievement and Leadership in Sustainability, Standards. In November 2007, the Ceramic Tile Distributors Association (CTDA) and the Tile Council of North America (TCNA) launched the Porcelain Tile Certification Agency (PTCA) to certify porcelain tile.
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