Building Envelope
The building envelope, or building enclosure, protects us and the building interior from the elements and enables occupant comfort. The building envelope includes the cladding, air barrier, weather barrier, thermal insulation, and other components.
Building Envelope
Deep Dives
Get up to speed on complex topics. You can also earn CEUs and download PDF Spotlight Reports.
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Quick Takes
Jump straight to the essentials with these short explanations of green building concepts.
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Product Guidance
Unbiased information from our product experts helps you separate green from greenwash.
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Tremco: Getting the Devil Out of Air and Water Details
Product Review
The Tremco ETA system offers the first-ever warranty on the performance of an assembly's air and water barriers.
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European Windows for Passive House Buildings
Product Review
High-performance European windows are better than American windows in part because of differences in how windows are tested.
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HydroGap Drainable Housewrap Doubles as Air Barrier
Product Review
HydroGap housewrap creates a free-draining air space without fussy rainscreen detailing-and serves as an air and weather barrier too.
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High-Performance Exterior Doors: Raising the Bar
Product Review
Most green building standards go easy on exterior doors, but a few companies are offering high-performing products.
In The News
We break news down to the essentials and provide expert analysis.
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Window Film: An Overlooked Retrofit Option?
News Analysis
In mild climates, window film pays for itself faster than more popular retrofits, an industry report argues.
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20-Story Building Takes Passive House to New Heights
News Brief
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Largest Net-Zero Retrofit Emerges from Adult-Themed Shop
News Brief
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Spray-Foam Endangers Occupants' Health, Lawsuits Allege
News Brief
Perspective
Thought-provoking opinions from the most trusted minds in sustainability.
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Learning Resources
Syllabus supplements and CEU content, with automatic reporting for AIA and GBCI.
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