Exhibit 24
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned does hereby appoint and constitute each of Mary A. Tremblay and Thomas P. Smith, as his or her true and lawful agents and attorneys-in-fact, either of whom is authorized to execute in his or her name, place and stead the Registration Statement on Form S-8 of Lydall, Inc. respecting 1,000,000 shares of common stock issued or issuable in connection with the Lydall 2003 Stock Incentive Compensation Plan, respectively, and any and all amendments thereto and to file such Form S-8 and any such amendment thereto with the Securities and Exchange Commission.
IN WITNESS WHEREOF, the undersigned have executed this instrument this 16th day of June, 2009.
| By: |   /s/ Dale G. Barnhart Dale G. Barnhart  | 
  President, Chief Executive Officer and Director  | ||
| By: |   /s/ Thomas P. Smith Thomas P. Smith  | 
  Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)  | ||
| By: |   /s/ Kathleen Burdett Kathleen Burdett  | 
Director | ||
| By: |   /s/ W. Leslie Duffy W. Leslie Duffy  | 
Chairman of the Board of Directors | ||
| By: |   /s/ Matthew T. Farrell Matthew T. Farrell  | 
Director | ||
| By: |   /s/ Marc T. Giles Marc T. Giles  | 
Director | ||
| By: |   /s/ William D. Gurley William D. Gurley  | 
Director | ||
| By: |   /s/ Suzanne Hammett Suzanne Hammett  | 
Director | ||
| By: |   /s/ S. Carl Soderstrom, Jr. S. Carl Soderstrom, Jr.  | 
Director | ||