Exhibit 24.1



POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned directors and officers of
Lydall, Inc. (the Corporation), does hereby constitute and appoint Dale G. Barnhart and Erika H. Turner, and each of them singly, as his agent and attorney-in-fact to do any and all things and acts in his name and in the capacities
indicated below and to execute any and all instruments for him and in his name in the capacities indicated below which said Dale G. Barnhart and Erika H. Turner, or either of them, may deem necessary or advisable to enable the Corporation to comply
with the Securities Exchange Act of 1934, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission, in connection with the preparation and filing of the Corporations Annual Report on Form 10-K (the
Annual Report) respecting the fiscal year ended December 31, 2009, including specifically, but not limited to, power and authority to sign for him in his name in the capacities indicated below the Annual Report and any and all
amendments thereto, and each of the undersigned does hereby ratify and confirm all that said Dale G. Barnhart and Erika H. Turner, or either of them, shall do or cause to be done by virtue hereof.



IN WITNESS WHEREOF, each of the undersigned has executed this Power of Attorney as of the
date indicated opposite his or her name.



|                                                      |  |                                                 |  |                  
|----------------------------------------------------- |  | ----------------------------------------------- |  | -----------------
|/s/    W. LESLIE DUFFYW. Leslie Duffy                 |  | Chairman of the Board and Director              |  | February 24, 2010
|                                                      |  |                                                
|/s/    DALE G. BARNHARTDale G. Barnhart               |  | President, Chief Executive Officer and Director |  | February 24, 2010
|                                                      |  |                                                
|/s/    KATHLEEN BURDETTKathleen Burdett               |  | Director                                        |  | February 24, 2010
|                                                      |  |                                                
|/s/    MATTHEW T. FARRELLMatthew T. Farrell           |  | Director                                        |  | February 24, 2010
|                                                      |  |                                                
|/s/    MARC T. GILESMarc T. Giles                     |  | Director                                        |  | February 24, 2010
|                                                      |  |                                                
|/s/    WILLIAM D. GURLEYWilliam D. Gurley             |  | Director                                        |  | February 24, 2010
|                                                      |  |                                                
|/s/    SUZANNE HAMMETTSuzanne Hammett                 |  | Director                                        |  | February 24, 2010
|                                                      |  |                                                
|/s/    S. CARL SODERSTROM, JR.S. Carl Soderstrom, Jr. |  | Director                                        |  | February 24, 2010