The Composite Lumber Manufacturers Association (CLMA) is the national trade association that represents composite lumber manufacturing companies and their material suppliers. Formed in 2005 and headquartered in Washington, DC, CLMA represents the composite lumber industry to the residential and commercial building construction markets.


To advance the growth of the composite deck and railing industry through proactive technical, advocacy, and awareness efforts.


  • Preserve and promote the composite deck and railing product category
  • Serve as the technical and informational resource for the composite lumber industry
  • Advocate for and advance the interests of CLMA’s membership

CLMA Informational Brochure

CLMA Leadership

CLMA Board of Directors

CLMA Staff

Bruce Stanhope
CLMA Board of Directors
AZEK Building Products
Michael Taylor
Executive Director
[email protected]
Peter Kotiadis
CLMA Board of Directors
Fiberon LLC
John Woestman
Director of Codes and Standards
[email protected]
Jesse Stallsmith
Staff Associate
[email protected]

Contact CLMA

Composite Lumber Manufacturers Association
529 14th Street N.W., Suite 1280
Washington D.C. 20045
Phone: (202) 207-1113
Email: [email protected]