- BSI
- NEWS
Decks are disarmingly simple. The ones we are going to deal with have conditioned space under them. They are nothing more than roofs that you walk on. But we tend to mess them up royally. Perhaps it… Read More
- BSI
- NEWS
Historically, so many problems have occurred with parapets that we have a name for it: “parapetitus.” They have a long history—which of course is not always clear—that allows me to embellish without… Read More
- BSI
Ice dams (Photograph 1) happen when the outside temperature is below freezing, the roof deck temperature is above freezing, and there is snow on the roof.1 The warm roof deck causes the snow on top… Read More
- BSI
- NEWS
I love cellulose insulation.1 In fact, I love all insulations. The more insulation, the better. There is no such thing as a bad insulation, only bad applications.2 But, it irritates the heck out of… Read More
- BSI
- NEWS
Blue Hawaii[1]Hawaii is a magnificent place – except if you want to build there. Huh? What’s so difficult about building on islands in the middle of the Pacific? Check out Photograph 1. Waikiki… Read More
Hot-Humid
- BSI
Little things can be big things. You build things that seem like they are obviously going to work and then the real world intrudes and reminds you that you are not as smart as you think. You then… Read More
- BSI
North of the Arctic Circle there are only two seasons—this winter and last winter. Who would ever want to live there? Being human, we can’t help ourselves. We’ve been there a long time. And, we are… Read More
Very Cold
- BSI
- NEWS
“gas separation processes and open cell low density spray foam”1Lots of attics insulated with open cell low density spray foam (Photograph 1, Photograph 2 and Photograph 3) are having problems – in… Read More
- BSD
Unvented roof assemblies, such as conditioned attics and unvented cathedral ceilings, are becoming common in North American construction. These assemblies are created by eliminating ventilation… Read More
- BSD
Pitched roofs of either wood rafter and joist or truss construction are used in the construction of literally millions of homes and small commercial buildings each year. There are variations in these… Read More
Pagination
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