Codes Regulations  
Code Change Proposal Involves  
Air Leakage in Glazed Doorinsthe air leakage requirement of the  
he February 12 edition of the  
Tom Culp of Birch Point Consulting  
American National Standards In- says the committee members realized standard.“So they added it, [language]  
stitute (ANSI) included a notice of power-operated glazed sliding doors, similar to other heavily used entrance  
a proposed change to Standard 90.1- such as entrances to grocery and big box doors like glazed swinging entrance  
013, Energy Standard for Buildings ex- retail stores, weren’t properly addressed doors and revolving doors,”he says.  
cept Low-Rise Residential Buildings in  
regard to entrance doors.  
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According to the document, the revi-  
sion “provides guidance on the air leak-  
age requirements of two new types of  
entrance doors, aligns the text of 90.1  
with the testing protocol required for sec-  
tional and metal coiling doors, and pro-  
vides default U-factors for unlabeled  
metal non-swinging doors.”  
Performance Characteristics of Fenestration Systems in Commercial Buildings.”  
“The primary driver for this revision was for improvement and clarification of  
the reporting certificate,” says Pella’s Joe Hayden, chair of the 507 review task  
group. “This previously was referred to as a ‘Certificate of Compliance,’ and  
has now been changed to a ‘Fenestration Product Rating Certificate’ to better  
indicate its intended purpose.”  
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USGlass, Metal & Glazing | April 2016