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My Spidey sense is tingling [1]Note that this is an “opinion column” [2]Work with me on this: In response to COVID, the CDC and others are now recommending a room air change rate of 4 to 6 air… Read More

Hanging cladding – hang on cladding, cladding hang on[1].. Continuous exterior insulation is such an obvious thing to do….and we are finally getting serious about it…but we still seem to go out of… Read More

Sometimes obvious things are not so obvious.  And when you miss them, they can be expensive….and embarrassing.  And often the embarrassing is worse than the expense….”that was dumb”…”.that hurts”…and… Read More

We looked at exterior spray foam previously (BSI-048: “Exterior Spray Foam”, April 2011). Exterior spray foam typically is used in commercial applications.  Most residential applications use interior… Read More

…articulaciones* y esquinas y penetraciones...much more stylish…much more interesting than English.  The battle to control water entry is won at building joints and corners[1] not so much at… Read More

Some folks hate foam insulation. The rigid board stuff, the spray stuff, the flexible stuff. They don't like the blowing agents, they don't like the fire retardants, they don't like the chemical… Read More

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

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

After one hundred and fifty years the Illinois cottage1 is undergoing some pretty interesting changes and the ghosts of George Washington Snow and Augustine Taylor2 are cautiously eyeing the result.… Read More

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