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A building is an environmental separator. In fundamental terms its function is to “keep the outside out” and the “inside in”.  The outside provides “environmental loads” as does the… Read More

A little bit of history…back in the day the United States was known for its manufacturing prowess[1].  In high speed and high volume production “punching[2]” was and is the least expensive… 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

How can you take a system with thousands of years of history and screw it up?  Easy.  Keep improving it until it does not work.  Babylonians used it. Egyptians used it. Greeks used it… Read More

The problem with flood damaged buildings is that the damage is done by dirty water.  Everything imaginable and unimaginable is in flood water.  We call it “black water” or Category 3 water… Read More

“Code world” is an interesting place where seemingly convoluted language is used to express simple concepts in clearly complicated ways.  The reasons for this are based on “legal” principles and… Read More

It is just shocking, just shocking that some molecules have a positive electrical charge and a negative electrical charge.  Water is a molecule with one oxygen and two hydrogen atoms held… Read More

In 1666 London burned – the city, not a building.  It was called the “Great Fire of London”.  In 2017 a building burned, not the city.  It is being called the “Great Fire of London”.… Read More

The best strategy is not to have an ice-dam in the first place.  We covered this way back when (BSI-046: Dam Ice Dam, February 2011).  It is pretty straightforward on how to… 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