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Imagine a three-dimensional molecular billiard game with billiard balls that are sometimes sticky, and where the rules depend on where you are on the table. Then assume that there are many different… Read More

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

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

Double Rubble Toil and Trouble1“When you insulate your basement on the inside, the rubble foundation will freeze apart, and you will get swelling from the freezing soil collapsing the wall, and… Read More

Hospitals are not fun places to work in, and they are not fun places to build and design or to fix and repair. The stakes are often high. Nothing is more sobering than when someone dies because of a… Read More

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

Canadians do live in igloos. Unlike the Inuit snow block version they’re typically taller than 10 stories and they are made out of foam. Insulated Concrete Forms (ICF’s) are beginning to come into… Read More

Folks are always asking – “how come we seem to have so many problems with buildings today?” We never seemed worry about rot, corrosion and mold before. What’s going on? What’s different? Is it… Read More

Sheathing does more than deal with wind. Sometimes it doesn’t even deal with that. It wasn’t always that way. We didn’t even used to have sheathing. We had a timber structural frame (or not,… Read More

Spain gave Florida to the United States in exchange for the United States giving up any claims on Texas. We all know how that turned out. Nobody really wanted to live there except the Seminoles until… Read More