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This paper examines methods of using hygrothermal models, primarily WUFI, to assess the impact of energy efficient enclosure upgrades on the durability of historical buildings. Means of producing and… Read More

One of the most iconic images that shaped my career in the early days was from Madelene Rousseau’s presentation at “”Building Science Insight: ’83”…Humidity, Condensation and Ventilation in Houses…… Read More

Snap, Crackle and Pop are beloved gnome characters…cartoon mascots of Rice Krispies breakfast cereal produced by a small company you might have heard of…Kellogg’s1.  Rice Krispies are one of the… Read More

Imagine a world where the building code does not allow returns to be installed in closets to control mold and other contaminants. That would be insane right? Welcome to the real world. Let me make… Read More

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… Read More

Five Integrated Pest Management Strategies to Consider Pests include insects and animals that have a harmful effect on humans, food or living conditions.  Pests include insects, termites,… Read More

Liquid Flow Due to Capillary SuctionOne moisture transport mechanism that is often overlooked in building construction is capillarity or capillary suction.  Capillary suction acts primarily… Read More

To state the obvious…controlling rainwater entry is the single most important factor in the design and construction of durable buildings.  Let me repeat….controlling rainwater entry is the… Read More

It is pretty weird to dig a big hole and drop a building into it.  A one story house with a basement is really a two story house that you dropped into the ground burying one story. … Read More

Weed[2]…..we call it “weed” because it pretty much grows anywhere “in the wild”…outside.  Did I mention “outside” in pretty much uncontrolled conditions. Wow, have things changed.… Read More