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10 Key Questions about
by Richard Wilson, B.Sc.
Photo © Richard Wilson. Photo courtesy Draper Inc.
OVER THE LAST DECADE, EXTERIOR
SHADING HAS BECOME MORE
POPULAR IN THE U.S. CONSTRUCTION
MARKET. HOWEVER, A NUMBER OF
ARCHITECTS AND BUILDING OWNERS
STILL HAVE LIMITED KNOWLEDGE
ABOUT THESE SYSTEMS AND WHY
THEY SHOULD BE CONSIDERED PART
OF THE BUILDING DESIGN.
This article explores 10 frequently asked questions
about exterior shading, while providing insight into
available systems and how they can be an important
part of the building’s environmental control.
1. What types of exterior shading systems
A wide range of exterior shading systems are
available, but they can be broken down into three
broad categories of systems:
• ﬁxed louver;
• adjustable louver; and
Fixed louver systems include projecting sunshades
generally installed at the head of the glazing
(i.e. brise-soleil systems), as well as ﬁxed vertical
or horizontal louvers installed in front of the
glazing. These systems are designed to remain in
place at all times and need to be able to withstand
38 the construction speciﬁer | october 2014
2014-09-16 10:29 AM