- BSI
- NEWS
In 1666 London burned – the city, not a building. It was called the “Great Fire of London”. In 2017 a building burned, not the city. It is being called the “Great Fire of London”. Lots of… Read More
- BSI
- NEWS
Maybe not. For years I have said that dog won’t hunt1. I have come around. The engineer in me likes tools. I can’t help it – it is a genetic defect we engineers are born with. With therapy we… Read More
- BSI
- NEWS
Vitruvius had it right 2,000 years ago: “…if a wall is in a state of dampness all over, construct a second thin wall a little way from it…at a distance suited to the circumstances…with vents to the… Read More
- BSI
- NEWS
Putting ductwork outside is bad enough, but putting ductwork in an attic is even worse (Photograph 1). Attics are even hotter than outside during the summer and as cold as the outside in the winter.… Read More
- BSI
- NEWS
If you take rocks and melt them and blow air through them you get fluffy rocks. And fluffy rocks don’t burn. If you take gypsum and make it into sheets you get “sheet rock”. And guess what? Rocks don… Read More
Very Cold, Cold
- BSI
The Parthenon was constructed around 450 B.C. as a temple to the Goddess Athena (Photograph 1). More recently a temple overlooking Vancouver was constructed by the contractor Gauvin the Younger to… Read More
- BSI
- NEWS
You can’t replace experience and judgment with lab tests and a computer simulation. But when you add lab tests to the experience and judgment and have an adult supervise the process, you might be… Read More
- BSI
As in most things gone horribly wrong, it is a bunch of seemingly small things that come together to create an almost unimaginable nightmare—in this case the “perfect stucco storm.”Unlike most water… Read More
- BSI
- NEWS
General Limit States Design, Hygrothermal AnalysisAt a basic level a wall is an environmental separator. It keeps the outside out and the inside in. Easy to say, not always easy to do.To function… Read More
Very Cold, Cold, Mixed-Humid, Marine, Hot-Humid, Hot-Dry/Mixed-Dry
- BSD
Driving rain on building facades is on of the largest sources of moisture that impacts durability of enclosures. Several approaches to predicting driving rain on buildings have been developed over… Read More
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