Building Envelope Design Guide

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The National Institute of Building Sciences (NIBS) under guidance from the Federal Envelope Advisory Committee has developed this comprehensive guide for exterior envelope design and construction for institutional / office buildings. The Envelope Design Guide (EDG) is continually being improved and updated through the Building Enclosure Councils (BECs). Any edits, revisions, updates or interest in adding new information should be directed to the Building Enclosure Technology & Environment Council (BETEC) through the 'Comment' link on this page.


Below Grade Systems

Wall Systems

Fenestration Systems

Roofing Systems

Atria Systems

Related Resource Pages

The materials, components, and systems conveyed in these concept diagrams are intended to convey general design principles only. Any resemblance between these details and proprietary or otherwise commercially available materials, components and systems is purely coincidental and should in no way be considered an endorsement by NIBS and/or the individual authors who contributed to the content of this website.