November 2002

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Professional Roofing welcomes letters to the editor. Views expressed in "Letters" are not necessarily those of NRCA. Letters must be signed and include a return address and telephone number. Professional Roofing reserves the right to edit letters for clarity and length. Send letters to Ambika Puniani, Editor, Professional Roofing, 10255 W. Higgins Road, Suite 600, Rosemont, IL 60018-5607; fax (847) 299-1183; or e-mail

Retrofit metal concerns

I read with great interest the September article "The rise of retrofit metal," page 32. The authors, David W. Boozer, an area sales manager for Architectural Metal Systems, Eufaula, Ala., and Allen Lancaster, president of Metalcrafts Inc., Savannah, Ga., present many good points about retrofitting metal roof systems onto an existing roof structure. However, the published details present an unacceptable method of supporting a new roof system.

Do not use these details. Placing a base clip/bottom Z on top of the existing roof system and not directly onto the building's structural components is misleading. The concept "a picture is worth a thousand words" in these graphic descriptions can lead to...

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