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(iii <br /> SOUTHWARK METAL MANUFACTURING CO. <br /> Philadelphia, PA •Greenville,SC• Indianapolis,IN•Southaven,MS •Fremont NE• Caldwell, ID <br /> CO. Corporate Headquarters: 2800 Red Lion Road • Philadelphia, PA 19114 <br /> Telephone: (215) 735-3401 • (800) 523-1052 • Fax: (215) 735-3406 <br /> February 26, 2014 <br /> To whom it may concern: <br /> This letter is to confirm that the galvanized material used in the manufacturing of our product <br /> meets the requirement of a smooth wall, non-absorbent pipe commonly used to vent bath fans, <br /> domestic clothes dryers, and domestic range hoods as stated in the current International <br /> Mechanical Code. The gauge of the material used also meets current SMACNA standards for this <br /> purpose when ordered as 26ga. <br /> If you need further information,please feel free to contact me. <br /> Respectfully, <br /> John Lemm <br /> Southwark Metal Mfg Co <br /> Idaho Division <br /> Sales Representative <br /> Cell: 509.342.8602 <br /> Email:j.lenull!i�;southwdrkmctal.cwn <br /> PREFABRICATED DUCTS AND FITTINGS FOR RESIDENTIAL HEATING AND COOLING SYSTEMS <br />