Waterproofing 101: The Science of Keeping Water Out of Buildings

Keep exploring at https://brilliant.org/TheEngineeringHub/. Get started for free, and hurry—the first 200 people get 20% off an annual premium subscription. <br> <br>Society expects today's buildings to be watertight, which includes protection from rainwater, ground water, and water vapor. But, how exactly is this accomplished? In this video, we dive into the details of waterproofing design and construction in the context of the historical drivers of today's practices. <br> <br>00:20 - Egyptians and Historic Waterproofing <br>00:50 - Three Types of Water Demand <br>02:25 - Tricky Water Vapor Elaboration <br>03:00 - Historical Context <br>03:30 - Today's Problems <br>03:55 - 1970's Energy Crises <br>04:40 - Leaky Condo Crisis ($1 billion in damages!) <br>06:30 - Tip #1 - Rainscreen <br>07:00 - Tip #2 - Slopes &amp; Overhangs <br>07:30 - Tip #3 - Belt &amp; Suspenders <br>08:15 - Tip #4 - Continuity <br>08:40 - Brilliant! <br> <br>You spoke and we heard! This video topic was chosen by you, our loyal subscriber, in a recent poll. We appreciate your participation, and hope you enjoy the content! <br> <br>Thanks for watching--we make these videos for you, and if you enjoy them give us a like, subscribe, and let us know if you have any feedback! <br> <br>This video was sponsored by Brilliant <br> <br>References: <br>[1] K. K. Hirst, The Archaeology and History of Bitumen, ThoughtCo, 2019. <br>[2] J. Straube, Historical Development of the Building Enclosure, Building Science Digest, 2006. <br>[3] Miller Thomson LLP, Water Ingress Claims in British Columbia: Will Rainscreens and Building Envelope Professionals Prevent Another &quot;Leaky Condo Crisis&quot;?, 2016.