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“What we’ve got here is failure to communicate . . .”1 In what is turning out to be an unfortunate turn of phrase the terms “unvented attics” and “unvented roofs” have entered the lexicon. A lot of… Read More

We live at the bottom of an ocean of air. Each of us is carrying around 14.7 pounds per square inch when at the beach in Miami1. We are powerful creatures indeed. Imagine carrying around 101,000… Read More

Life was simple when I grew up in Canada. Winters were long and cold, we had no air conditioning, walls dried to both the outside and the inside and the Toronto Maple Leafs would win Stanley Cups.… Read More

"I've looked at life from both sides now . . ."~ Joni Mitchell1Walls can get wet from the inside, walls can get wet from the outside. Walls can start out wet. Wet happens. Because wet happens walls… Read More

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

One of the dirty little secrets that never gets talked about is that water leaks through building papers, building wraps and housewraps and runs down between them and the sheathings that they cover.… Read More

To claim that something that has holes in it can act as a water control layer is a pretty interesting argument. It is both true and untrue.I have it on good authority, that for there to be a leak you… Read More

I remember sitting around listening to stories my dad and his friends would tell when they were hanging around in the basement playing cards. They would laugh uproariously, tease each other, get… Read More

 Walter Payton[1] does Permeance - Reservoir claddings are not easy especially with sun and air conditioning where it rains.  Pretty much everywhere folks want to live… It is… Read More

A hockey1 puck is 1 inch thick and 3 inches in diameter (Photograph 1). You can easily slip one into the airspace between a brick veneer and building paper. Now a single puck in an airspace like that… Read More